Forward the number of skipped frames by the OS in audio playout.

media/blink/webaudiosourceprovider_impl_unittest.cc

 // Copyright 2013 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.
 
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
 #include "media/audio/audio_parameters.h"
 #include "media/base/fake_audio_render_callback.h"
 #include "media/base/mock_audio_renderer_sink.h"
 #include "media/blink/webaudiosourceprovider_impl.h"
@@ skipping 179 matching lines @@
   ASSERT_EQ(fake_callback_.last_audio_delay_milliseconds(), -1);
 
   wasp_impl_->Play();
 
   // Now we should get real audio data.
   wasp_impl_->provideInput(audio_data, params_.frames_per_buffer());
   ASSERT_FALSE(CompareBusses(bus1.get(), bus2.get()));
 
   // Ensure volume adjustment is working.
   fake_callback_.reset();
-  fake_callback_.Render(bus2.get(), 0);
+  fake_callback_.Render(bus2.get(), 0, 0);
   bus2->Scale(kTestVolume);
 
   fake_callback_.reset();
   wasp_impl_->SetVolume(kTestVolume);
   wasp_impl_->provideInput(audio_data, params_.frames_per_buffer());
   ASSERT_TRUE(CompareBusses(bus1.get(), bus2.get()));
 
   // Pause should return to silence.
   wasp_impl_->Pause();
   bus1->channel(0)[0] = 1;
   bus2->Zero();
   wasp_impl_->provideInput(audio_data, params_.frames_per_buffer());
   ASSERT_TRUE(CompareBusses(bus1.get(), bus2.get()));
 
   // Ensure if a renderer properly fill silence for partial Render() calls by
   // configuring the fake callback to return half the data.  After these calls
   // bus1 is full of junk data, and bus2 is partially filled.
   wasp_impl_->SetVolume(1);
-  fake_callback_.Render(bus1.get(), 0);
+  fake_callback_.Render(bus1.get(), 0, 0);
   fake_callback_.reset();
-  fake_callback_.Render(bus2.get(), 0);
+  fake_callback_.Render(bus2.get(), 0, 0);
   bus2->ZeroFramesPartial(bus2->frames() / 2,
                           bus2->frames() - bus2->frames() / 2);
   fake_callback_.reset();
   fake_callback_.set_half_fill(true);
   wasp_impl_->Play();
 
   // Play should return real audio data again, but the last half should be zero.
   wasp_impl_->provideInput(audio_data, params_.frames_per_buffer());
   ASSERT_TRUE(CompareBusses(bus1.get(), bus2.get()));
 
   // Stop() should return silence.
   wasp_impl_->Stop();
   bus1->channel(0)[0] = 1;
   bus2->Zero();
   wasp_impl_->provideInput(audio_data, params_.frames_per_buffer());
   ASSERT_TRUE(CompareBusses(bus1.get(), bus2.get()));
 }
 
 }  // namespace media