Removing the dependency on //third_party/webrtc:webrtc and replacing with rtc_base.

remoting/codec/BUILD.gn

 # Copyright 2015 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 source_set("codec") {
   deps = [
     ":decoder",
     ":encoder",
   ]
 }
@@ skipping 124 matching lines @@
     "video_encoder_vpx_unittest.cc",
   ]
 
   deps = [
     ":codec",
     "//base",
     "//remoting/proto",
     "//testing/gtest",
     "//third_party/webrtc/modules/desktop_capture",
   ]
+
+  if (is_ios) {
+    sources -= [ "audio_encoder_opus_unittest.cc" ]
+  }
 }