Enable platform echo cancellation through the AudioRecord path.

content/renderer/media/webrtc_local_audio_track_unittest.cc

Index: content/renderer/media/webrtc_local_audio_track_unittest.cc
diff --git a/content/renderer/media/webrtc_local_audio_track_unittest.cc b/content/renderer/media/webrtc_local_audio_track_unittest.cc
index f5b668a2fedfe304c32aae43994da0f21c14aa34..3c9caa7d90fa38def765bfa0020413dee4df6301 100644
--- a/content/renderer/media/webrtc_local_audio_track_unittest.cc
+++ b/content/renderer/media/webrtc_local_audio_track_unittest.cc
@@ -166,9 +166,11 @@ class WebRtcLocalAudioTrackTest : public ::testing::Test {
     capturer_source_ = new MockCapturerSource(capturer_.get());
     EXPECT_CALL(*capturer_source_.get(), OnInitialize(_, capturer_.get(), 0))
         .WillOnce(Return());
+    media::AudioParameters::PlatformEffects effects;
     capturer_->SetCapturerSource(capturer_source_,
                                  params_.channel_layout(),
-                                 params_.sample_rate());
+                                 params_.sample_rate(),
+                                 effects);
   }
 
   media::AudioParameters params_;
@@ -458,9 +460,11 @@ TEST_F(WebRtcLocalAudioTrackTest, SetNewSourceForCapturerAfterStartTrack) {
   EXPECT_CALL(*new_source.get(), OnInitialize(_, capturer_.get(), 0))
       .WillOnce(Return());
   EXPECT_CALL(*new_source.get(), OnStart());
+  media::AudioParameters::PlatformEffects effects;
   capturer_->SetCapturerSource(new_source,
                                params_.channel_layout(),
-                               params_.sample_rate());
+                               params_.sample_rate(),
+                               effects);
 
   // Stop the track.
   EXPECT_CALL(*new_source.get(), OnStop());
@@ -502,9 +506,11 @@ TEST_F(WebRtcLocalAudioTrackTest, ConnectTracksToDifferentCapturers) {
   scoped_refptr<MockCapturerSource> new_source(
       new MockCapturerSource(new_capturer.get()));
   EXPECT_CALL(*new_source.get(), OnInitialize(_, new_capturer.get(), 0));
+  media::AudioParameters::PlatformEffects effects;
   new_capturer->SetCapturerSource(new_source,
                                   media::CHANNEL_LAYOUT_MONO,
-                                  44100);
+                                  44100,
+                                  effects);
 
   // Setup the second audio track, connect it to the new capturer and start it.
   EXPECT_CALL(*new_source.get(), SetAutomaticGainControl(true));
@@ -559,12 +565,14 @@ TEST_F(WebRtcLocalAudioTrackTest, TrackWorkWithSmallBufferSize) {
       WebRtcAudioCapturer::CreateCapturer());
   scoped_refptr<MockCapturerSource> source(
       new MockCapturerSource(capturer.get()));
+  media::AudioParameters::PlatformEffects effects;
   capturer->Initialize(-1, params.channel_layout(), params.sample_rate(),
-                       params.frames_per_buffer(), 0, std::string(), 0, 0);
+                       params.frames_per_buffer(), 0, std::string(), 0, 0,
+                       effects);
 
   EXPECT_CALL(*source.get(), OnInitialize(_, capturer.get(), 0));
   capturer->SetCapturerSource(source, params.channel_layout(),
-                              params.sample_rate());
+                              params.sample_rate(), effects);
 
   // Setup a audio track, connect it to the capturer and start it.
   EXPECT_CALL(*source.get(), SetAutomaticGainControl(true));