diff --git a/DEPS b/DEPS
index e0d38fd91e..b06edaf2f1 100644
--- a/DEPS
+++ b/DEPS
@@ -6,7 +6,7 @@
 vars = {
   'extra_gyp_flag': '-Dextra_gyp_flag=0',
   'chromium_git': 'https://chromium.googlesource.com',
-  'chromium_revision': 'd66326c14bb70a1d61d75b096a9a344bc9a53c1a',
+  'chromium_revision': '4df108a08782de0f5275a52491eedcaacfe1907f',
 }
 
 # NOTE: Prefer revision numbers to tags for svn deps. Use http rather than
diff --git a/talk/app/webrtc/java/jni/androidmediadecoder_jni.cc b/talk/app/webrtc/java/jni/androidmediadecoder_jni.cc
index 7ebcd203a1..c3d287ce0d 100644
--- a/talk/app/webrtc/java/jni/androidmediadecoder_jni.cc
+++ b/talk/app/webrtc/java/jni/androidmediadecoder_jni.cc
@@ -112,6 +112,10 @@ class MediaCodecVideoDecoder : public webrtc::VideoDecoder,
   // Type of video codec.
   VideoCodecType codecType_;
 
+  // Render EGL context - owned by factory, should not be allocated/destroyed
+  // by VideoDecoder.
+  jobject render_egl_context_;
+
   bool key_frame_required_;
   bool inited_;
   bool sw_fallback_required_;
@@ -165,10 +169,6 @@ class MediaCodecVideoDecoder : public webrtc::VideoDecoder,
 
   // Global references; must be deleted in Release().
   std::vector<jobject> input_buffers_;
-
-  // Render EGL context - owned by factory, should not be allocated/destroyed
-  // by VideoDecoder.
-  jobject render_egl_context_;
 };
 
 MediaCodecVideoDecoder::MediaCodecVideoDecoder(
diff --git a/talk/app/webrtc/java/jni/androidmediaencoder_jni.cc b/talk/app/webrtc/java/jni/androidmediaencoder_jni.cc
index b36dc0bb34..64831c3174 100644
--- a/talk/app/webrtc/java/jni/androidmediaencoder_jni.cc
+++ b/talk/app/webrtc/java/jni/androidmediaencoder_jni.cc
@@ -250,9 +250,6 @@ MediaCodecVideoEncoder::MediaCodecVideoEncoder(
     JNIEnv* jni, VideoCodecType codecType, jobject egl_context) :
     codecType_(codecType),
     callback_(NULL),
-    inited_(false),
-    use_surface_(false),
-    picture_id_(0),
     codec_thread_(new Thread()),
     j_media_codec_video_encoder_class_(
         jni,
@@ -264,6 +261,9 @@ MediaCodecVideoEncoder::MediaCodecVideoEncoder(
                                    *j_media_codec_video_encoder_class_,
                                    "<init>",
                                    "()V"))),
+    inited_(false),
+    use_surface_(false),
+    picture_id_(0),
     egl_context_(egl_context) {
   ScopedLocalRefFrame local_ref_frame(jni);
   // It would be nice to avoid spinning up a new thread per MediaCodec, and
diff --git a/talk/app/webrtc/java/jni/androidvideocapturer_jni.h b/talk/app/webrtc/java/jni/androidvideocapturer_jni.h
index 91fc1acd13..89ecacb3a5 100644
--- a/talk/app/webrtc/java/jni/androidvideocapturer_jni.h
+++ b/talk/app/webrtc/java/jni/androidvideocapturer_jni.h
@@ -40,7 +40,7 @@
 
 namespace webrtc_jni {
 
-class NativeHandleImpl;
+struct NativeHandleImpl;
 class SurfaceTextureHelper;
 
 // AndroidVideoCapturerJni implements AndroidVideoCapturerDelegate.
diff --git a/talk/app/webrtc/objc/avfoundationvideocapturer.h b/talk/app/webrtc/objc/avfoundationvideocapturer.h
index ded80f6647..32de09aadd 100644
--- a/talk/app/webrtc/objc/avfoundationvideocapturer.h
+++ b/talk/app/webrtc/objc/avfoundationvideocapturer.h
@@ -71,7 +71,6 @@ class AVFoundationVideoCapturer : public cricket::VideoCapturer {
 
   RTCAVFoundationVideoCapturerInternal* _capturer;
   rtc::Thread* _startThread;  // Set in Start(), unset in Stop().
-  uint64_t _startTime;
 };  // AVFoundationVideoCapturer
 
 }  // namespace webrtc
diff --git a/talk/app/webrtc/peerconnectionendtoend_unittest.cc b/talk/app/webrtc/peerconnectionendtoend_unittest.cc
index e907192da4..7413b9d0bc 100644
--- a/talk/app/webrtc/peerconnectionendtoend_unittest.cc
+++ b/talk/app/webrtc/peerconnectionendtoend_unittest.cc
@@ -50,56 +50,6 @@ namespace {
 
 const size_t kMaxWait = 10000;
 
-void RemoveLinesFromSdp(const std::string& line_start,
-                               std::string* sdp) {
-  const char kSdpLineEnd[] = "\r\n";
-  size_t ssrc_pos = 0;
-  while ((ssrc_pos = sdp->find(line_start, ssrc_pos)) !=
-      std::string::npos) {
-    size_t end_ssrc = sdp->find(kSdpLineEnd, ssrc_pos);
-    sdp->erase(ssrc_pos, end_ssrc - ssrc_pos + strlen(kSdpLineEnd));
-  }
-}
-
-// Add |newlines| to the |message| after |line|.
-void InjectAfter(const std::string& line,
-                 const std::string& newlines,
-                 std::string* message) {
-  const std::string tmp = line + newlines;
-  rtc::replace_substrs(line.c_str(), line.length(),
-                             tmp.c_str(), tmp.length(), message);
-}
-
-void Replace(const std::string& line,
-             const std::string& newlines,
-             std::string* message) {
-  rtc::replace_substrs(line.c_str(), line.length(),
-                             newlines.c_str(), newlines.length(), message);
-}
-
-void UseExternalSdes(std::string* sdp) {
-  // Remove current crypto specification.
-  RemoveLinesFromSdp("a=crypto", sdp);
-  RemoveLinesFromSdp("a=fingerprint", sdp);
-  // Add external crypto.
-  const char kAudioSdes[] =
-      "a=crypto:1 AES_CM_128_HMAC_SHA1_80 "
-      "inline:PS1uQCVeeCFCanVmcjkpPywjNWhcYD0mXXtxaVBR\r\n";
-  const char kVideoSdes[] =
-      "a=crypto:1 AES_CM_128_HMAC_SHA1_80 "
-      "inline:d0RmdmcmVCspeEc3QGZiNWpVLFJhQX1cfHAwJSoj\r\n";
-  const char kDataSdes[] =
-      "a=crypto:1 AES_CM_128_HMAC_SHA1_80 "
-      "inline:NzB4d1BINUAvLEw6UzF3WSJ+PSdFcGdUJShpX1Zj\r\n";
-  InjectAfter("a=mid:audio\r\n", kAudioSdes, sdp);
-  InjectAfter("a=mid:video\r\n", kVideoSdes, sdp);
-  InjectAfter("a=mid:data\r\n", kDataSdes, sdp);
-}
-
-void RemoveBundle(std::string* sdp) {
-  RemoveLinesFromSdp("a=group:BUNDLE", sdp);
-}
-
 }  // namespace
 
 class PeerConnectionEndToEndTest
diff --git a/talk/app/webrtc/webrtcsession_unittest.cc b/talk/app/webrtc/webrtcsession_unittest.cc
index 5997c5328f..bf7fc83d0b 100644
--- a/talk/app/webrtc/webrtcsession_unittest.cc
+++ b/talk/app/webrtc/webrtcsession_unittest.cc
@@ -171,15 +171,6 @@ static const char kAudioTrack2[] = "audio2";
 
 enum RTCCertificateGenerationMethod { ALREADY_GENERATED, DTLS_IDENTITY_STORE };
 
-// Add some extra |newlines| to the |message| after |line|.
-static void InjectAfter(const std::string& line,
-                        const std::string& newlines,
-                        std::string* message) {
-  const std::string tmp = line + newlines;
-  rtc::replace_substrs(line.c_str(), line.length(), tmp.c_str(), tmp.length(),
-                       message);
-}
-
 class MockIceObserver : public webrtc::IceObserver {
  public:
   MockIceObserver()
diff --git a/talk/libjingle.gyp b/talk/libjingle.gyp
index afde2fa992..04da73f687 100755
--- a/talk/libjingle.gyp
+++ b/talk/libjingle.gyp
@@ -62,6 +62,13 @@
             '<(libyuv_dir)/include',
           ],
           'conditions': [
+            ['clang==1', {
+              'cflags': [
+                # Disabled due to failing when compiled with -Wall, see
+                # https://bugs.chromium.org/p/webrtc/issues/detail?id=5399
+                '-Wno-overloaded-virtual',
+              ],
+            }],
             ['OS=="linux"', {
               'defines': [
                 'HAVE_GTK',
@@ -357,6 +364,9 @@
             # common.gypi enables this for mac but we want this to be disabled
             # like it is for ios.
             'CLANG_WARN_OBJC_MISSING_PROPERTY_SYNTHESIS': 'NO',
+            # Disabled due to failing when compiled with -Wall, see
+            # https://bugs.chromium.org/p/webrtc/issues/detail?id=5397
+            'WARNING_CFLAGS': ['-Wno-unused-property-ivar'],
           },
           'conditions': [
             ['OS=="ios"', {
diff --git a/talk/libjingle_tests.gyp b/talk/libjingle_tests.gyp
index e7b354b126..078b43bf21 100755
--- a/talk/libjingle_tests.gyp
+++ b/talk/libjingle_tests.gyp
@@ -139,6 +139,16 @@
             },
           },
         },],
+        ['clang==1', {
+          # Disabled due to failing when compiled with -Wall, see
+          # https://bugs.chromium.org/p/webrtc/issues/detail?id=5398
+          'cflags': [
+            '-Wno-unused-function',
+          ],
+          'xcode_settings': {
+            'WARNING_CFLAGS': ['-Wno-unused-function'],
+          },
+        },],
         ['OS=="ios"', {
           'sources!': [
             'media/sctp/sctpdataengine_unittest.cc',
diff --git a/talk/media/devices/carbonvideorenderer.cc b/talk/media/devices/carbonvideorenderer.cc
index 846135d925..b711ae4fbd 100644
--- a/talk/media/devices/carbonvideorenderer.cc
+++ b/talk/media/devices/carbonvideorenderer.cc
@@ -40,7 +40,6 @@ CarbonVideoRenderer::CarbonVideoRenderer(int x, int y)
       image_height_(0),
       x_(x),
       y_(y),
-      image_ref_(NULL),
       window_ref_(NULL) {
 }
 
diff --git a/talk/media/devices/carbonvideorenderer.h b/talk/media/devices/carbonvideorenderer.h
index 52c974060c..e8329ea031 100644
--- a/talk/media/devices/carbonvideorenderer.h
+++ b/talk/media/devices/carbonvideorenderer.h
@@ -65,7 +65,6 @@ class CarbonVideoRenderer : public VideoRenderer {
   int image_height_;
   int x_;
   int y_;
-  CGImageRef image_ref_;
   WindowRef window_ref_;
 };
 
diff --git a/third_party/gflags/BUILD.gn b/third_party/gflags/BUILD.gn
index a2f1c3d413..e8a5a13ff6 100644
--- a/third_party/gflags/BUILD.gn
+++ b/third_party/gflags/BUILD.gn
@@ -13,7 +13,7 @@ if (is_win) {
 }
 
 config("gflags_config") {
- include_dirs = [
+  include_dirs = [
     "$gflags_gen_arch_root/include",  # For configured files.
     "src",  # For everything else.
   ]
@@ -25,6 +25,13 @@ config("gflags_config") {
     "GFLAGS_DLL_DECLARE_FLAG=",
     "GFLAGS_DLL_DEFINE_FLAG=",
   ]
+
+  # GN orders flags on a target before flags from configs. The default config
+  # adds -Wall, and this flag have to be after -Wall -- so they need to
+  # come from a config and can't be on the target directly.
+  if (is_clang) {
+    cflags = [ "-Wno-unused-local-typedef" ]
+  }
 }
 
 source_set("gflags") {
@@ -42,9 +49,7 @@ source_set("gflags") {
     ]
   }
 
-  include_dirs = [
-    "$gflags_gen_arch_root/include/private",  # For config.h
-  ]
+  include_dirs = [ "$gflags_gen_arch_root/include/private" ]  # For config.h
 
   public_configs = [ ":gflags_config" ]
 
diff --git a/third_party/gflags/gflags.gyp b/third_party/gflags/gflags.gyp
index 76d2448b7e..d3f2788664 100644
--- a/third_party/gflags/gflags.gyp
+++ b/third_party/gflags/gflags.gyp
@@ -79,8 +79,10 @@
           },
         }],
         ['clang==1', {
+          'cflags': ['-Wno-unused-local-typedef',],
           'cflags!': ['-Wheader-hygiene',],
           'xcode_settings': {
+            'WARNING_CFLAGS': ['-Wno-unused-local-typedef',],
             'WARNING_CFLAGS!': ['-Wheader-hygiene',],
           },
         }],
diff --git a/webrtc/base/latebindingsymboltable_unittest.cc b/webrtc/base/latebindingsymboltable_unittest.cc
index 30ebd17cba..0079f20342 100644
--- a/webrtc/base/latebindingsymboltable_unittest.cc
+++ b/webrtc/base/latebindingsymboltable_unittest.cc
@@ -21,9 +21,10 @@ namespace rtc {
 
 #define LIBM_SYMBOLS_CLASS_NAME LibmTestSymbolTable
 #define LIBM_SYMBOLS_LIST \
-  X(acos) \
-  X(sin) \
-  X(tan)
+  X(acosf) \
+  X(sinf) \
+  X(tanf)
+
 
 #define LATE_BINDING_SYMBOL_TABLE_CLASS_NAME LIBM_SYMBOLS_CLASS_NAME
 #define LATE_BINDING_SYMBOL_TABLE_SYMBOLS_LIST LIBM_SYMBOLS_LIST
@@ -39,9 +40,9 @@ TEST(LateBindingSymbolTable, libm) {
   EXPECT_FALSE(table.IsLoaded());
   ASSERT_TRUE(table.Load());
   EXPECT_TRUE(table.IsLoaded());
-  EXPECT_EQ(table.acos()(0.5), acos(0.5));
-  EXPECT_EQ(table.sin()(0.5), sin(0.5));
-  EXPECT_EQ(table.tan()(0.5), tan(0.5));
+  EXPECT_EQ(table.acosf()(0.5f), acosf(0.5f));
+  EXPECT_EQ(table.sinf()(0.5f), sinf(0.5f));
+  EXPECT_EQ(table.tanf()(0.5f), tanf(0.5f));
   // It would be nice to check that the addresses are the same, but the nature
   // of dynamic linking and relocation makes them actually be different.
   table.Unload();
diff --git a/webrtc/base/linux.cc b/webrtc/base/linux.cc
index 1586b27b07..0894d39c77 100644
--- a/webrtc/base/linux.cc
+++ b/webrtc/base/linux.cc
@@ -233,33 +233,6 @@ bool ConfigParser::ParseLine(std::string* key, std::string* value) {
   return true;
 }
 
-#if !defined(WEBRTC_CHROMIUM_BUILD)
-static bool ExpectLineFromStream(FileStream* stream,
-                                 std::string* out) {
-  StreamResult res = stream->ReadLine(out);
-  if (res != SR_SUCCESS) {
-    if (res != SR_EOS) {
-      LOG(LS_ERROR) << "Error when reading from stream";
-    } else {
-      LOG(LS_ERROR) << "Incorrect number of lines in stream";
-    }
-    return false;
-  }
-  return true;
-}
-
-static void ExpectEofFromStream(FileStream* stream) {
-  std::string unused;
-  StreamResult res = stream->ReadLine(&unused);
-  if (res == SR_SUCCESS) {
-    LOG(LS_WARNING) << "Ignoring unexpected extra lines from stream";
-  } else if (res != SR_EOS) {
-    LOG(LS_WARNING) << "Error when checking for extra lines from stream";
-  }
-}
-
-#endif
-
 std::string ReadLinuxUname() {
   struct utsname buf;
   if (uname(&buf) < 0) {