Delete unneeded references to string_encode.h

Bug: webrtc:6424
Change-Id: Ia521bcdfa8b887447ca9ed6f9d89f3ddb0e1dd15
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/223665
Reviewed-by: Harald Alvestrand <hta@webrtc.org>
Commit-Queue: Niels Moller <nisse@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#34400}

api/DEPS

@@ -194,7 +194,6 @@ specific_include_rules = {
   "stats_types\.h": [
     "+rtc_base/constructor_magic.h",
     "+rtc_base/ref_count.h",
-    "+rtc_base/string_encode.h",
     "+rtc_base/thread_checker.h",
   ],
 

api/stats_types.cc

@@ -15,6 +15,7 @@
 #include "absl/algorithm/container.h"
 #include "rtc_base/checks.h"
 #include "rtc_base/ref_counted_object.h"
+#include "rtc_base/string_encode.h"
 
 // TODO(tommi): Could we have a static map of value name -> expected type
 // and use this to RTC_DCHECK on correct usage (somewhat strongly typed values)?

api/stats_types.h

@@ -24,7 +24,6 @@
 #include "api/sequence_checker.h"
 #include "rtc_base/constructor_magic.h"
 #include "rtc_base/ref_count.h"
-#include "rtc_base/string_encode.h"
 #include "rtc_base/system/rtc_export.h"
 
 namespace webrtc {

api/test/DEPS

@@ -8,9 +8,6 @@ specific_include_rules = {
   "dummy_peer_connection\.h": [
     "+rtc_base/ref_counted_object.h",
   ],
-  "fake_constraints\.h": [
-    "+rtc_base/string_encode.h",
-  ],
   "neteq_factory_with_codecs\.h": [
     "+system_wrappers/include/clock.h",
   ],

call/audio_send_stream.cc

@@ -12,7 +12,6 @@
 
 #include <stddef.h>
 
-#include "rtc_base/string_encode.h"
 #include "rtc_base/strings/audio_format_to_string.h"
 #include "rtc_base/strings/string_builder.h"
 

modules/audio_coding/neteq/neteq_unittest.cc

@@ -34,7 +34,6 @@
 #include "rtc_base/ignore_wundef.h"
 #include "rtc_base/message_digest.h"
 #include "rtc_base/numerics/safe_conversions.h"
-#include "rtc_base/string_encode.h"
 #include "rtc_base/strings/string_builder.h"
 #include "rtc_base/system/arch.h"
 #include "test/field_trial.h"

pc/data_channel_controller.cc

@@ -21,7 +21,6 @@
 #include "pc/sctp_utils.h"
 #include "rtc_base/location.h"
 #include "rtc_base/logging.h"
-#include "rtc_base/string_encode.h"
 #include "rtc_base/task_utils/to_queued_task.h"
 
 namespace webrtc {