diff --git a/OWNERS b/OWNERS
index e974cfc99c..ac9c857cdd 100644
--- a/OWNERS
+++ b/OWNERS
@@ -6,6 +6,7 @@ tina.legrand@webrtc.org
 tommi@webrtc.org
 per-file .gitignore=*
 per-file AUTHORS=*
+per-file BUILD.gn=kjellander@webrtc.org
 per-file DEPS=*
 per-file WATCHLISTS=*
 per-file webrtc_examples.gyp=*
diff --git a/webrtc/BUILD.gn b/webrtc/BUILD.gn
index 1182643809..1e8c3289cc 100644
--- a/webrtc/BUILD.gn
+++ b/webrtc/BUILD.gn
@@ -168,8 +168,42 @@ config("common_config") {
 }
 
 static_library("webrtc") {
+  sources = [
+    "call.h",
+    "config.h",
+    "experiments.h",
+    "frame_callback.h",
+    "transport.h",
+  ]
+
   deps = [
+    ":webrtc_common",
     "base:webrtc_base",
+    "common_audio",
+    "common_video",
+    "modules/audio_coding",
+    "modules/audio_conference_mixer",
+    "modules/audio_device",
+    "modules/audio_processing",
+    "modules/bitrate_controller",
+    "modules/desktop_capture",
+    "modules/media_file",
+    "modules/rtp_rtcp",
+    "modules/utility",
+    "modules/video_capture",
+    "modules/video_coding",
+    "modules/video_processing",
+    "modules/video_render",
     "system_wrappers",
+    "video",
+    "video_engine",
+    "voice_engine",
+  ]
+}
+
+source_set("webrtc_common") {
+  sources = [
+    "config.h",
+    "config.cc",
   ]
 }
diff --git a/webrtc/OWNERS b/webrtc/OWNERS
index bbffda7e49..b806e212c1 100644
--- a/webrtc/OWNERS
+++ b/webrtc/OWNERS
@@ -4,3 +4,5 @@ per-file *.isolate=kjellander@webrtc.org
 # structural changes, please get a review from a reviewer in this file.
 per-file *.gyp=*
 per-file *.gypi=*
+
+per-file BUILD.gn=kjellander@webrtc.org
diff --git a/webrtc/base/OWNERS b/webrtc/base/OWNERS
index 4091a93d74..d292dfdb09 100644
--- a/webrtc/base/OWNERS
+++ b/webrtc/base/OWNERS
@@ -4,4 +4,6 @@ perkj@webrtc.org
 henrika@webrtc.org
 henrikg@webrtc.org
 mflodman@webrtc.org
-niklas.enbom@webrtc.org
\ No newline at end of file
+niklas.enbom@webrtc.org
+
+per-file BUILD.gn=kjellander@webrtc.org
diff --git a/webrtc/common_audio/BUILD.gn b/webrtc/common_audio/BUILD.gn
new file mode 100644
index 0000000000..4dcc322653
--- /dev/null
+++ b/webrtc/common_audio/BUILD.gn
@@ -0,0 +1,26 @@
+# Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
+#
+# Use of this source code is governed by a BSD-style license
+# that can be found in the LICENSE file in the root of the source
+# tree. An additional intellectual property rights grant can be found
+# in the file PATENTS.  All contributing project authors may
+# be found in the AUTHORS file in the root of the source tree.
+
+import("//build/config/arm.gni")
+import("../build/webrtc.gni")
+
+source_set("common_audio") {
+  # TODO(andrew): Implement.
+}
+
+if (cpu_arch == "x86" || cpu_arch == "x64") {
+  source_set("common_audio_sse2") {
+    # TODO(andrew): Implement.
+  }
+}
+
+if (cpu_arch == "arm" && arm_version == 7) {
+  source_set("common_audio_neon") {
+    # TODO(andrew): Implement.
+  }
+}
diff --git a/webrtc/common_audio/OWNERS b/webrtc/common_audio/OWNERS
index 83d774b2a5..98ec4728b5 100644
--- a/webrtc/common_audio/OWNERS
+++ b/webrtc/common_audio/OWNERS
@@ -9,3 +9,5 @@ per-file *.isolate=kjellander@webrtc.org
 # structural changes, please get a review from a reviewer in this file.
 per-file *.gyp=*
 per-file *.gypi=*
+
+per-file BUILD.gn=kjellander@webrtc.org
diff --git a/webrtc/common_video/BUILD.gn b/webrtc/common_video/BUILD.gn
new file mode 100644
index 0000000000..2e877e6b96
--- /dev/null
+++ b/webrtc/common_video/BUILD.gn
@@ -0,0 +1,13 @@
+# Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
+#
+# Use of this source code is governed by a BSD-style license
+# that can be found in the LICENSE file in the root of the source
+# tree. An additional intellectual property rights grant can be found
+# in the file PATENTS.  All contributing project authors may
+# be found in the AUTHORS file in the root of the source tree.
+
+import("../build/webrtc.gni")
+
+source_set("common_video") {
+  # TODO(pbos): Implement.
+}
diff --git a/webrtc/common_video/OWNERS b/webrtc/common_video/OWNERS
index 0c328fa9f9..ed9ac54d5c 100644
--- a/webrtc/common_video/OWNERS
+++ b/webrtc/common_video/OWNERS
@@ -9,3 +9,5 @@ per-file *.isolate=kjellander@webrtc.org
 # structural changes, please get a review from a reviewer in this file.
 per-file *.gyp=*
 per-file *.gypi=*
+
+per-file BUILD.gn=kjellander@webrtc.org
diff --git a/webrtc/modules/audio_coding/BUILD.gn b/webrtc/modules/audio_coding/BUILD.gn
new file mode 100644
index 0000000000..e4ad4cb357
--- /dev/null
+++ b/webrtc/modules/audio_coding/BUILD.gn
@@ -0,0 +1,13 @@
+# Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
+#
+# Use of this source code is governed by a BSD-style license
+# that can be found in the LICENSE file in the root of the source
+# tree. An additional intellectual property rights grant can be found
+# in the file PATENTS.  All contributing project authors may
+# be found in the AUTHORS file in the root of the source tree.
+
+import("../../build/webrtc.gni")
+
+source_set("audio_coding") {
+  # TODO(andrew): Implement.
+}
diff --git a/webrtc/modules/audio_coding/OWNERS b/webrtc/modules/audio_coding/OWNERS
new file mode 100644
index 0000000000..d5ae8473c0
--- /dev/null
+++ b/webrtc/modules/audio_coding/OWNERS
@@ -0,0 +1 @@
+per-file BUILD.gn=kjellander@webrtc.org
diff --git a/webrtc/modules/audio_conference_mixer/BUILD.gn b/webrtc/modules/audio_conference_mixer/BUILD.gn
new file mode 100644
index 0000000000..a27bb84c64
--- /dev/null
+++ b/webrtc/modules/audio_conference_mixer/BUILD.gn
@@ -0,0 +1,41 @@
+# Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
+#
+# Use of this source code is governed by a BSD-style license
+# that can be found in the LICENSE file in the root of the source
+# tree. An additional intellectual property rights grant can be found
+# in the file PATENTS.  All contributing project authors may
+# be found in the AUTHORS file in the root of the source tree.
+
+config("internal_config") {
+  visibility = ":*"  # Only targets in this file can depend on this.
+  include_dirs = [
+    "interface",
+    "../interface",
+  ]
+}
+
+source_set("audio_conference_mixer") {
+  sources = [
+    "interface/audio_conference_mixer.h",
+    "interface/audio_conference_mixer_defines.h",
+    "source/audio_conference_mixer_impl.cc",
+    "source/audio_conference_mixer_impl.h",
+    "source/audio_frame_manipulator.cc",
+    "source/audio_frame_manipulator.h",
+    "source/level_indicator.cc",
+    "source/level_indicator.h",
+    "source/memory_pool.h",
+    "source/memory_pool_posix.h",
+    "source/memory_pool_win.h",
+    "source/time_scheduler.cc",
+    "source/time_scheduler.h",
+  ]
+
+  direct_dependent_configs = [ ":internal_config" ]
+
+  deps = [
+    "../../system_wrappers",
+    "../audio_processing",
+    "../utility",
+  ]
+}
diff --git a/webrtc/modules/audio_conference_mixer/OWNERS b/webrtc/modules/audio_conference_mixer/OWNERS
index 7dc791ef93..7d4cc6108f 100644
--- a/webrtc/modules/audio_conference_mixer/OWNERS
+++ b/webrtc/modules/audio_conference_mixer/OWNERS
@@ -1,3 +1,5 @@
 henrike@webrtc.org
 pwestin@webrtc.org
-andrew@webrtc.org
\ No newline at end of file
+andrew@webrtc.org
+
+per-file BUILD.gn=kjellander@webrtc.org
diff --git a/webrtc/modules/audio_device/BUILD.gn b/webrtc/modules/audio_device/BUILD.gn
new file mode 100644
index 0000000000..d6481ad528
--- /dev/null
+++ b/webrtc/modules/audio_device/BUILD.gn
@@ -0,0 +1,13 @@
+# Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
+#
+# Use of this source code is governed by a BSD-style license
+# that can be found in the LICENSE file in the root of the source
+# tree. An additional intellectual property rights grant can be found
+# in the file PATENTS.  All contributing project authors may
+# be found in the AUTHORS file in the root of the source tree.
+
+import("../../build/webrtc.gni")
+
+source_set("audio_device") {
+  # TODO(henrike): Implement.
+}
diff --git a/webrtc/modules/audio_device/OWNERS b/webrtc/modules/audio_device/OWNERS
index 7bb3cd5237..1fe45940ba 100644
--- a/webrtc/modules/audio_device/OWNERS
+++ b/webrtc/modules/audio_device/OWNERS
@@ -9,3 +9,5 @@ per-file *.isolate=kjellander@webrtc.org
 # structural changes, please get a review from a reviewer in this file.
 per-file *.gyp=*
 per-file *.gypi=*
+
+per-file BUILD.gn=kjellander@webrtc.org
diff --git a/webrtc/modules/audio_processing/BUILD.gn b/webrtc/modules/audio_processing/BUILD.gn
new file mode 100644
index 0000000000..a727d54b29
--- /dev/null
+++ b/webrtc/modules/audio_processing/BUILD.gn
@@ -0,0 +1,13 @@
+# Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
+#
+# Use of this source code is governed by a BSD-style license
+# that can be found in the LICENSE file in the root of the source
+# tree. An additional intellectual property rights grant can be found
+# in the file PATENTS.  All contributing project authors may
+# be found in the AUTHORS file in the root of the source tree.
+
+import("../../build/webrtc.gni")
+
+source_set("audio_processing") {
+  # TODO(andrew): Implement.
+}
diff --git a/webrtc/modules/audio_processing/OWNERS b/webrtc/modules/audio_processing/OWNERS
index 7c1f7881c2..41a82af20d 100644
--- a/webrtc/modules/audio_processing/OWNERS
+++ b/webrtc/modules/audio_processing/OWNERS
@@ -6,3 +6,5 @@ bjornv@webrtc.org
 # structural changes, please get a review from a reviewer in this file.
 per-file *.gyp=*
 per-file *.gypi=*
+
+per-file BUILD.gn=kjellander@webrtc.org
diff --git a/webrtc/modules/bitrate_controller/BUILD.gn b/webrtc/modules/bitrate_controller/BUILD.gn
new file mode 100644
index 0000000000..c3ac28ce42
--- /dev/null
+++ b/webrtc/modules/bitrate_controller/BUILD.gn
@@ -0,0 +1,28 @@
+# Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
+#
+# Use of this source code is governed by a BSD-style license
+# that can be found in the LICENSE file in the root of the source
+# tree. An additional intellectual property rights grant can be found
+# in the file PATENTS.  All contributing project authors may
+# be found in the AUTHORS file in the root of the source tree.
+
+import("../../build/webrtc.gni")
+
+source_set("bitrate_controller") {
+  sources = [
+    "bitrate_controller_impl.cc",
+    "bitrate_controller_impl.h",
+    "include/bitrate_controller.h",
+    "send_side_bandwidth_estimation.cc",
+    "send_side_bandwidth_estimation.h",
+  ]
+
+  if (is_win) {
+    cflags = [
+      # TODO(jschuh): Bug 1348: fix this warning.
+      "/wd4267"  # size_t to int truncations
+    ]
+  }
+
+  deps = [ "../../system_wrappers" ]
+}
diff --git a/webrtc/modules/bitrate_controller/OWNERS b/webrtc/modules/bitrate_controller/OWNERS
index cce3a26bc5..9420ba2e9c 100644
--- a/webrtc/modules/bitrate_controller/OWNERS
+++ b/webrtc/modules/bitrate_controller/OWNERS
@@ -8,3 +8,5 @@ asapersson@webrtc.org
 # structural changes, please get a review from a reviewer in this file.
 per-file *.gyp=*
 per-file *.gypi=*
+
+per-file BUILD.gn=kjellander@webrtc.org
diff --git a/webrtc/modules/desktop_capture/BUILD.gn b/webrtc/modules/desktop_capture/BUILD.gn
new file mode 100644
index 0000000000..0ccb18a136
--- /dev/null
+++ b/webrtc/modules/desktop_capture/BUILD.gn
@@ -0,0 +1,19 @@
+# Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
+#
+# Use of this source code is governed by a BSD-style license
+# that can be found in the LICENSE file in the root of the source
+# tree. An additional intellectual property rights grant can be found
+# in the file PATENTS.  All contributing project authors may
+# be found in the AUTHORS file in the root of the source tree.
+
+import("../../build/webrtc.gni")
+
+source_set("desktop_capture") {
+  # TODO(jiayl): Implement.
+}
+
+if (!is_ios && (cpu_arch == "x86" || cpu_arch == "x64")) {
+  source_set("desktop_capture_differ_sse2") {
+    # TODO(jiayl): Implement.
+  }
+}
diff --git a/webrtc/modules/desktop_capture/OWNERS b/webrtc/modules/desktop_capture/OWNERS
index e85861b8d3..4c0340d6da 100644
--- a/webrtc/modules/desktop_capture/OWNERS
+++ b/webrtc/modules/desktop_capture/OWNERS
@@ -6,3 +6,5 @@ wez@chromium.org
 # structural changes, please get a review from a reviewer in this file.
 per-file *.gyp=*
 per-file *.gypi=*
+
+per-file BUILD.gn=kjellander@webrtc.org
diff --git a/webrtc/modules/media_file/BUILD.gn b/webrtc/modules/media_file/BUILD.gn
new file mode 100644
index 0000000000..971a6fa29a
--- /dev/null
+++ b/webrtc/modules/media_file/BUILD.gn
@@ -0,0 +1,41 @@
+# Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
+#
+# Use of this source code is governed by a BSD-style license
+# that can be found in the LICENSE file in the root of the source
+# tree. An additional intellectual property rights grant can be found
+# in the file PATENTS.  All contributing project authors may
+# be found in the AUTHORS file in the root of the source tree.
+
+import("../../build/webrtc.gni")
+
+config("internal_config") {
+  visibility = ":*"  # Only targets in this file can depend on this.
+  include_dirs = [
+    "interface",
+    "../interface",
+  ]
+}
+
+source_set("media_file") {
+  sources = [
+    "interface/media_file.h",
+    "interface/media_file_defines.h",
+    "source/avi_file.cc",
+    "source/avi_file.h",
+    "source/media_file_impl.cc",
+    "source/media_file_impl.h",
+    "source/media_file_utility.cc",
+    "source/media_file_utility.h",
+  ]
+
+  if (is_win) {
+    cflags = [
+      # TODO(jschuh): Bug 1348: fix this warning.
+      "/wd4267",  # size_t to int truncations
+    ]
+  }
+
+  direct_dependent_configs = [ ":internal_config" ]
+
+  deps = [ "../../system_wrappers" ]
+}
diff --git a/webrtc/modules/media_file/OWNERS b/webrtc/modules/media_file/OWNERS
index 2cc47e481e..3387ee9e68 100644
--- a/webrtc/modules/media_file/OWNERS
+++ b/webrtc/modules/media_file/OWNERS
@@ -1,4 +1,6 @@
 pwestin@webrtc.org
 mflodman@webrtc.org
 perkj@webrtc.org
-niklas.enbom@webrtc.org
\ No newline at end of file
+niklas.enbom@webrtc.org
+
+per-file BUILD.gn=kjellander@webrtc.org
diff --git a/webrtc/modules/pacing/BUILD.gn b/webrtc/modules/pacing/BUILD.gn
new file mode 100644
index 0000000000..d3eceb35bf
--- /dev/null
+++ b/webrtc/modules/pacing/BUILD.gn
@@ -0,0 +1,16 @@
+# Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
+#
+# Use of this source code is governed by a BSD-style license
+# that can be found in the LICENSE file in the root of the source
+# tree. An additional intellectual property rights grant can be found
+# in the file PATENTS.  All contributing project authors may
+# be found in the AUTHORS file in the root of the source tree.
+
+source_set("pacing") {
+  sources = [
+    "include/paced_sender.h",
+    "paced_sender.cc",
+  ]
+
+  deps = [ "../../system_wrappers" ]
+}
diff --git a/webrtc/modules/pacing/OWNERS b/webrtc/modules/pacing/OWNERS
index 1426abc621..4486a81e5f 100644
--- a/webrtc/modules/pacing/OWNERS
+++ b/webrtc/modules/pacing/OWNERS
@@ -7,3 +7,5 @@ asapersson@webrtc.org
 # structural changes, please get a review from a reviewer in this file.
 per-file *.gyp=*
 per-file *.gypi=*
+
+per-file BUILD.gn=kjellander@webrtc.org
diff --git a/webrtc/modules/remote_bitrate_estimator/BUILD.gn b/webrtc/modules/remote_bitrate_estimator/BUILD.gn
new file mode 100644
index 0000000000..7ee4c8df98
--- /dev/null
+++ b/webrtc/modules/remote_bitrate_estimator/BUILD.gn
@@ -0,0 +1,17 @@
+# Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
+#
+# Use of this source code is governed by a BSD-style license
+# that can be found in the LICENSE file in the root of the source
+# tree. An additional intellectual property rights grant can be found
+# in the file PATENTS.  All contributing project authors may
+# be found in the AUTHORS file in the root of the source tree.
+
+source_set("remote_bitrate_estimator") {
+  sources = [
+    "overuse_detector.cc",
+    "overuse_detector.h",
+    "remote_bitrate_estimator_single_stream.cc",
+    "remote_rate_control.cc",
+    "remote_rate_control.h",
+  ]
+}
diff --git a/webrtc/modules/remote_bitrate_estimator/OWNERS b/webrtc/modules/remote_bitrate_estimator/OWNERS
index eab2b8e004..49d19429e9 100644
--- a/webrtc/modules/remote_bitrate_estimator/OWNERS
+++ b/webrtc/modules/remote_bitrate_estimator/OWNERS
@@ -3,7 +3,10 @@ stefan@webrtc.org
 henrik.lundin@webrtc.org
 mflodman@webrtc.org
 asapersson@webrtc.org
+
 # These are for the common case of adding or renaming files. If you're doing
 # structural changes, please get a review from a reviewer in this file.
 per-file *.gyp=*
 per-file *.gypi=*
+
+per-file BUILD.gn=kjellander@webrtc.org
diff --git a/webrtc/modules/rtp_rtcp/BUILD.gn b/webrtc/modules/rtp_rtcp/BUILD.gn
new file mode 100644
index 0000000000..e9a2e8d913
--- /dev/null
+++ b/webrtc/modules/rtp_rtcp/BUILD.gn
@@ -0,0 +1,104 @@
+# Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
+#
+# Use of this source code is governed by a BSD-style license
+# that can be found in the LICENSE file in the root of the source
+# tree. An additional intellectual property rights grant can be found
+# in the file PATENTS.  All contributing project authors may
+# be found in the AUTHORS file in the root of the source tree.
+
+import("../../build/webrtc.gni")
+
+source_set("rtp_rtcp") {
+  sources = [
+    # Common
+    "interface/fec_receiver.h",
+    "interface/receive_statistics.h",
+    "interface/remote_ntp_time_estimator.h",
+    "interface/rtp_header_parser.h",
+    "interface/rtp_payload_registry.h",
+    "interface/rtp_receiver.h",
+    "interface/rtp_rtcp.h",
+    "interface/rtp_rtcp_defines.h",
+    "source/bitrate.cc",
+    "source/bitrate.h",
+    "source/byte_io.h",
+    "source/fec_receiver_impl.cc",
+    "source/fec_receiver_impl.h",
+    "source/receive_statistics_impl.cc",
+    "source/receive_statistics_impl.h",
+    "source/remote_ntp_time_estimator.cc",
+    "source/rtp_header_parser.cc",
+    "source/rtp_rtcp_config.h",
+    "source/rtp_rtcp_impl.cc",
+    "source/rtp_rtcp_impl.h",
+    "source/rtcp_packet.cc",
+    "source/rtcp_packet.h",
+    "source/rtcp_receiver.cc",
+    "source/rtcp_receiver.h",
+    "source/rtcp_receiver_help.cc",
+    "source/rtcp_receiver_help.h",
+    "source/rtcp_sender.cc",
+    "source/rtcp_sender.h",
+    "source/rtcp_utility.cc",
+    "source/rtcp_utility.h",
+    "source/rtp_header_extension.cc",
+    "source/rtp_header_extension.h",
+    "source/rtp_receiver_impl.cc",
+    "source/rtp_receiver_impl.h",
+    "source/rtp_sender.cc",
+    "source/rtp_sender.h",
+    "source/rtp_utility.cc",
+    "source/rtp_utility.h",
+    "source/ssrc_database.cc",
+    "source/ssrc_database.h",
+    "source/tmmbr_help.cc",
+    "source/tmmbr_help.h",
+    # Audio Files
+    "source/dtmf_queue.cc",
+    "source/dtmf_queue.h",
+    "source/rtp_receiver_audio.cc",
+    "source/rtp_receiver_audio.h",
+    "source/rtp_sender_audio.cc",
+    "source/rtp_sender_audio.h",
+    # Video Files
+    "source/fec_private_tables_random.h",
+    "source/fec_private_tables_bursty.h",
+    "source/forward_error_correction.cc",
+    "source/forward_error_correction.h",
+    "source/forward_error_correction_internal.cc",
+    "source/forward_error_correction_internal.h",
+    "source/producer_fec.cc",
+    "source/producer_fec.h",
+    "source/rtp_packet_history.cc",
+    "source/rtp_packet_history.h",
+    "source/rtp_payload_registry.cc",
+    "source/rtp_receiver_strategy.cc",
+    "source/rtp_receiver_strategy.h",
+    "source/rtp_receiver_video.cc",
+    "source/rtp_receiver_video.h",
+    "source/rtp_sender_video.cc",
+    "source/rtp_sender_video.h",
+    "source/video_codec_information.h",
+    "source/rtp_format_vp8.cc",
+    "source/rtp_format_vp8.h",
+    "source/rtp_format_video_generic.h",
+    "source/vp8_partition_aggregator.cc",
+    "source/vp8_partition_aggregator.h",
+    # Mocks
+    "mocks/mock_rtp_rtcp.h",
+    "source/mock/mock_rtp_payload_strategy.h",
+  ]
+
+  deps = [
+    "../../system_wrappers",
+    "../pacing",
+    "../remote_bitrate_estimator",
+  ]
+
+  if (is_win) {
+    cflags = [
+      # TODO(jschuh): Bug 1348: fix this warning.
+      "/wd4267",  # size_t to int truncations
+    ]
+  }
+}
diff --git a/webrtc/modules/rtp_rtcp/OWNERS b/webrtc/modules/rtp_rtcp/OWNERS
index c968564229..cafe4c193b 100644
--- a/webrtc/modules/rtp_rtcp/OWNERS
+++ b/webrtc/modules/rtp_rtcp/OWNERS
@@ -2,4 +2,6 @@ pwestin@webrtc.org
 stefan@webrtc.org
 henrik.lundin@webrtc.org
 mflodman@webrtc.org
-asapersson@webrtc.org
\ No newline at end of file
+asapersson@webrtc.org
+
+per-file BUILD.gn=kjellander@webrtc.org
diff --git a/webrtc/modules/utility/BUILD.gn b/webrtc/modules/utility/BUILD.gn
new file mode 100644
index 0000000000..825120460c
--- /dev/null
+++ b/webrtc/modules/utility/BUILD.gn
@@ -0,0 +1,48 @@
+# Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
+#
+# Use of this source code is governed by a BSD-style license
+# that can be found in the LICENSE file in the root of the source
+# tree. An additional intellectual property rights grant can be found
+# in the file PATENTS.  All contributing project authors may
+# be found in the AUTHORS file in the root of the source tree.
+
+import("../../build/webrtc.gni")
+
+source_set("utility") {
+  sources = [
+    "interface/audio_frame_operations.h",
+    "interface/file_player.h",
+    "interface/file_recorder.h",
+    "interface/helpers_android.h",
+    "interface/process_thread.h",
+    "interface/rtp_dump.h",
+    "source/audio_frame_operations.cc",
+    "source/coder.cc",
+    "source/coder.h",
+    "source/file_player_impl.cc",
+    "source/file_player_impl.h",
+    "source/file_recorder_impl.cc",
+    "source/file_recorder_impl.h",
+    "source/helpers_android.cc",
+    "source/process_thread_impl.cc",
+    "source/process_thread_impl.h",
+    "source/rtp_dump_impl.cc",
+    "source/rtp_dump_impl.h",
+  ]
+
+  deps = [
+    "../../common_audio",
+    "../../system_wrappers",
+    "../audio_coding",
+    "../media_file",
+  ]
+  if (enable_video) {
+    sources += [
+      "source/frame_scaler.cc",
+      "source/video_coder.cc",
+      "source/video_frames_queue.cc",
+    ]
+
+    deps += [ "../video_coding" ]
+  }
+}
diff --git a/webrtc/modules/utility/OWNERS b/webrtc/modules/utility/OWNERS
index 674c738017..dbdb53e34d 100644
--- a/webrtc/modules/utility/OWNERS
+++ b/webrtc/modules/utility/OWNERS
@@ -1,4 +1,6 @@
 henrike@webrtc.org
 pwestin@webrtc.org
 asapersson@webrtc.org
-perkj@webrtc.org
\ No newline at end of file
+perkj@webrtc.org
+
+per-file BUILD.gn=kjellander@webrtc.org
diff --git a/webrtc/modules/video_capture/BUILD.gn b/webrtc/modules/video_capture/BUILD.gn
new file mode 100644
index 0000000000..fd3fe574d7
--- /dev/null
+++ b/webrtc/modules/video_capture/BUILD.gn
@@ -0,0 +1,13 @@
+# Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
+#
+# Use of this source code is governed by a BSD-style license
+# that can be found in the LICENSE file in the root of the source
+# tree. An additional intellectual property rights grant can be found
+# in the file PATENTS.  All contributing project authors may
+# be found in the AUTHORS file in the root of the source tree.
+
+import("../../build/webrtc.gni")
+
+source_set("video_capture") {
+  # TODO(glaznev): Implement.
+}
diff --git a/webrtc/modules/video_capture/OWNERS b/webrtc/modules/video_capture/OWNERS
index fdc2a3ff70..ba8976508f 100644
--- a/webrtc/modules/video_capture/OWNERS
+++ b/webrtc/modules/video_capture/OWNERS
@@ -11,3 +11,5 @@ per-file *.isolate=kjellander@webrtc.org
 # structural changes, please get a review from a reviewer in this file.
 per-file *.gyp=*
 per-file *.gypi=*
+
+per-file BUILD.gn=kjellander@webrtc.org
diff --git a/webrtc/modules/video_coding/BUILD.gn b/webrtc/modules/video_coding/BUILD.gn
new file mode 100644
index 0000000000..f5a69b181a
--- /dev/null
+++ b/webrtc/modules/video_coding/BUILD.gn
@@ -0,0 +1,86 @@
+# Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
+#
+# Use of this source code is governed by a BSD-style license
+# that can be found in the LICENSE file in the root of the source
+# tree. An additional intellectual property rights grant can be found
+# in the file PATENTS.  All contributing project authors may
+# be found in the AUTHORS file in the root of the source tree.
+
+import("../../build/webrtc.gni")
+
+source_set("video_coding") {
+  sources = [
+    "main/interface/video_coding.h",
+    "main/interface/video_coding_defines.h",
+    "main/source/codec_database.cc",
+    "main/source/codec_database.h",
+    "main/source/codec_timer.cc",
+    "main/source/codec_timer.h",
+    "main/source/content_metrics_processing.cc",
+    "main/source/content_metrics_processing.h",
+    "main/source/decoding_state.cc",
+    "main/source/decoding_state.h",
+    "main/source/encoded_frame.cc",
+    "main/source/encoded_frame.h",
+    "main/source/er_tables_xor.h",
+    "main/source/fec_tables_xor.h",
+    "main/source/frame_buffer.cc",
+    "main/source/frame_buffer.h",
+    "main/source/generic_decoder.cc",
+    "main/source/generic_decoder.h",
+    "main/source/generic_encoder.cc",
+    "main/source/generic_encoder.h",
+    "main/source/inter_frame_delay.cc",
+    "main/source/inter_frame_delay.h",
+    "main/source/internal_defines.h",
+    "main/source/jitter_buffer.cc",
+    "main/source/jitter_buffer.h",
+    "main/source/jitter_buffer_common.h",
+    "main/source/jitter_estimator.cc",
+    "main/source/jitter_estimator.h",
+    "main/source/media_opt_util.cc",
+    "main/source/media_opt_util.h",
+    "main/source/media_optimization.cc",
+    "main/source/media_optimization.h",
+    "main/source/nack_fec_tables.h",
+    "main/source/packet.cc",
+    "main/source/packet.h",
+    "main/source/qm_select_data.h",
+    "main/source/qm_select.cc",
+    "main/source/qm_select.h",
+    "main/source/receiver.cc",
+    "main/source/receiver.h",
+    "main/source/rtt_filter.cc",
+    "main/source/rtt_filter.h",
+    "main/source/session_info.cc",
+    "main/source/session_info.h",
+    "main/source/timestamp_map.cc",
+    "main/source/timestamp_map.h",
+    "main/source/timing.cc",
+    "main/source/timing.h",
+    "main/source/video_coding_impl.cc",
+    "main/source/video_coding_impl.h",
+    "main/source/video_receiver.cc",
+    "main/source/video_sender.cc",
+  ]
+
+  deps = [
+    ":video_coding_utility",
+    ":webrtc_i420",
+    ":webrtc_vp8",
+    "../../common_video",
+    "../../system_wrappers",
+  ]
+}
+
+source_set("video_coding_utility") {
+  # TODO(stefan): Implement.
+}
+
+source_set("webrtc_i420") {
+  # TODO(stefan): Implement.
+}
+
+source_set("webrtc_vp8") {
+  # TODO(stefan): Implement.
+}
diff --git a/webrtc/modules/video_coding/OWNERS b/webrtc/modules/video_coding/OWNERS
index 7183cf2139..037de93f3c 100644
--- a/webrtc/modules/video_coding/OWNERS
+++ b/webrtc/modules/video_coding/OWNERS
@@ -2,3 +2,5 @@ stefan@webrtc.org
 mikhal@webrtc.org
 marpan@webrtc.org
 henrik.lundin@webrtc.org
+
+per-file BUILD.gn=kjellander@webrtc.org
diff --git a/webrtc/modules/video_processing/BUILD.gn b/webrtc/modules/video_processing/BUILD.gn
new file mode 100644
index 0000000000..40171caffa
--- /dev/null
+++ b/webrtc/modules/video_processing/BUILD.gn
@@ -0,0 +1,13 @@
+# Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
+#
+# Use of this source code is governed by a BSD-style license
+# that can be found in the LICENSE file in the root of the source
+# tree. An additional intellectual property rights grant can be found
+# in the file PATENTS.  All contributing project authors may
+# be found in the AUTHORS file in the root of the source tree.
+
+import("../../build/webrtc.gni")
+
+source_set("video_processing") {
+  # TODO(stefan): Implement.
+}
diff --git a/webrtc/modules/video_processing/OWNERS b/webrtc/modules/video_processing/OWNERS
new file mode 100644
index 0000000000..d5ae8473c0
--- /dev/null
+++ b/webrtc/modules/video_processing/OWNERS
@@ -0,0 +1 @@
+per-file BUILD.gn=kjellander@webrtc.org
diff --git a/webrtc/modules/video_render/BUILD.gn b/webrtc/modules/video_render/BUILD.gn
new file mode 100644
index 0000000000..c569b7fac2
--- /dev/null
+++ b/webrtc/modules/video_render/BUILD.gn
@@ -0,0 +1,13 @@
+# Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
+#
+# Use of this source code is governed by a BSD-style license
+# that can be found in the LICENSE file in the root of the source
+# tree. An additional intellectual property rights grant can be found
+# in the file PATENTS.  All contributing project authors may
+# be found in the AUTHORS file in the root of the source tree.
+
+import("../../build/webrtc.gni")
+
+source_set("video_render") {
+  # TODO(wuchengli): Implement.
+}
diff --git a/webrtc/modules/video_render/OWNERS b/webrtc/modules/video_render/OWNERS
index 7dd4a3624b..da941f40ea 100644
--- a/webrtc/modules/video_render/OWNERS
+++ b/webrtc/modules/video_render/OWNERS
@@ -10,3 +10,5 @@ per-file *.isolate=kjellander@webrtc.org
 # structural changes, please get a review from a reviewer in this file.
 per-file *.gyp=*
 per-file *.gypi=*
+
+per-file BUILD.gn=kjellander@webrtc.org
diff --git a/webrtc/system_wrappers/OWNERS b/webrtc/system_wrappers/OWNERS
index 4091a93d74..d292dfdb09 100644
--- a/webrtc/system_wrappers/OWNERS
+++ b/webrtc/system_wrappers/OWNERS
@@ -4,4 +4,6 @@ perkj@webrtc.org
 henrika@webrtc.org
 henrikg@webrtc.org
 mflodman@webrtc.org
-niklas.enbom@webrtc.org
\ No newline at end of file
+niklas.enbom@webrtc.org
+
+per-file BUILD.gn=kjellander@webrtc.org
diff --git a/webrtc/video/BUILD.gn b/webrtc/video/BUILD.gn
new file mode 100644
index 0000000000..18c43f91c6
--- /dev/null
+++ b/webrtc/video/BUILD.gn
@@ -0,0 +1,14 @@
+# Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
+#
+# Use of this source code is governed by a BSD-style license
+# that can be found in the LICENSE file in the root of the source
+# tree. An additional intellectual property rights grant can be found
+# in the file PATENTS.  All contributing project authors may
+# be found in the AUTHORS file in the root of the source tree.
+
+import("../build/webrtc.gni")
+
+source_set("video") {
+  # TODO(pbos): Implement when video_engine_core is done.
+}
+
diff --git a/webrtc/video/OWNERS b/webrtc/video/OWNERS
index cb0452fa68..78a3967544 100644
--- a/webrtc/video/OWNERS
+++ b/webrtc/video/OWNERS
@@ -7,3 +7,5 @@ mallinath@webrtc.org
 # structural changes, please get a review from a reviewer in this file.
 per-file *.gyp=*
 per-file *.gypi=*
+
+per-file BUILD.gn=kjellander@webrtc.org
diff --git a/webrtc/video_engine/BUILD.gn b/webrtc/video_engine/BUILD.gn
new file mode 100644
index 0000000000..c93833aa6c
--- /dev/null
+++ b/webrtc/video_engine/BUILD.gn
@@ -0,0 +1,17 @@
+# Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
+#
+# Use of this source code is governed by a BSD-style license
+# that can be found in the LICENSE file in the root of the source
+# tree. An additional intellectual property rights grant can be found
+# in the file PATENTS.  All contributing project authors may
+# be found in the AUTHORS file in the root of the source tree.
+
+import("../build/webrtc.gni")
+
+source_set("video_engine") {
+  deps = [ ":video_engine_core" ]
+}
+
+source_set("video_engine_core") {
+  # TODO(pbos): Implement.
+}
diff --git a/webrtc/video_engine/OWNERS b/webrtc/video_engine/OWNERS
index 14bb8f3e98..5fabf118ca 100644
--- a/webrtc/video_engine/OWNERS
+++ b/webrtc/video_engine/OWNERS
@@ -9,3 +9,6 @@ per-file *.isolate=kjellander@webrtc.org
 # structural changes, please get a review from a reviewer in this file.
 per-file *.gyp=*
 per-file *.gypi=*
+
+per-file BUILD.gn=kjellander@webrtc.org
+
diff --git a/webrtc/voice_engine/BUILD.gn b/webrtc/voice_engine/BUILD.gn
new file mode 100644
index 0000000000..7c1a1b19b1
--- /dev/null
+++ b/webrtc/voice_engine/BUILD.gn
@@ -0,0 +1,13 @@
+# Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
+#
+# Use of this source code is governed by a BSD-style license
+# that can be found in the LICENSE file in the root of the source
+# tree. An additional intellectual property rights grant can be found
+# in the file PATENTS.  All contributing project authors may
+# be found in the AUTHORS file in the root of the source tree.
+
+import("../build/webrtc.gni")
+
+source_set("voice_engine") {
+  # TODO(henrika): Implement.
+}
diff --git a/webrtc/voice_engine/OWNERS b/webrtc/voice_engine/OWNERS
index 7bb3cd5237..1fe45940ba 100644
--- a/webrtc/voice_engine/OWNERS
+++ b/webrtc/voice_engine/OWNERS
@@ -9,3 +9,5 @@ per-file *.isolate=kjellander@webrtc.org
 # structural changes, please get a review from a reviewer in this file.
 per-file *.gyp=*
 per-file *.gypi=*
+
+per-file BUILD.gn=kjellander@webrtc.org