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

media/audio/audio_output_device_unittest.cc

Index: media/audio/audio_output_device_unittest.cc
diff --git a/media/audio/audio_output_device_unittest.cc b/media/audio/audio_output_device_unittest.cc
index aa7e649d1fa28f5e00c7645d81d03a292a11e293..5faa119a635294dbe873622f0db02bb89d0e8f61 100644
--- a/media/audio/audio_output_device_unittest.cc
+++ b/media/audio/audio_output_device_unittest.cc
@@ -44,10 +44,7 @@
   MockRenderCallback() {}
   virtual ~MockRenderCallback() {}
 
-  MOCK_METHOD3(Render,
-               int(AudioBus* dest,
-                   uint32_t audio_delay_milliseconds,
-                   uint32_t frames_skipped));
+  MOCK_METHOD2(Render, int(AudioBus* dest, int audio_delay_milliseconds));
   MOCK_METHOD0(OnRenderError, void());
 };
 
@@ -120,8 +117,7 @@
 
 int AudioOutputDeviceTest::CalculateMemorySize() {
   // Calculate output memory size.
-  return sizeof(AudioOutputBufferParameters) +
-         AudioBus::CalculateMemorySize(default_audio_parameters_);
+  return AudioBus::CalculateMemorySize(default_audio_parameters_);
 }
 
 AudioOutputDeviceTest::AudioOutputDeviceTest()
@@ -218,9 +214,10 @@
   // So, for the sake of this test, we consider the call to Render a sign
   // of success and quit the loop.
   const int kNumberOfFramesToProcess = 0;
-  EXPECT_CALL(callback_, Render(_, _, _))
-      .WillOnce(DoAll(QuitLoop(io_loop_.task_runner()),
-                      Return(kNumberOfFramesToProcess)));
+  EXPECT_CALL(callback_, Render(_, _))
+      .WillOnce(DoAll(
+          QuitLoop(io_loop_.task_runner()),
+          Return(kNumberOfFramesToProcess)));
 }
 
 void AudioOutputDeviceTest::WaitUntilRenderCallback() {