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

media/audio/audio_low_latency_input_output_unittest.cc

 // Copyright (c) 2012 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/basictypes.h"
 #include "base/environment.h"
 #include "base/files/file_util.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/path_service.h"
 #include "base/synchronization/lock.h"
@@ skipping 198 matching lines @@
     // Double the buffer capacity to ensure that we have a buffer large
     // enough to handle the current sample test scenario.
     //   buffer_->set_forward_capacity(2 * buffer_->forward_capacity());
     //   buffer_->Clear();
     // }
   }
 
   void OnError(AudioInputStream* stream) override {}
 
   // AudioOutputStream::AudioSourceCallback.
-  int OnMoreData(AudioBus* audio_bus,
-                 uint32_t total_bytes_delay,
-                 uint32_t frames_skipped) override {
+  int OnMoreData(AudioBus* audio_bus, uint32 total_bytes_delay) override {
     base::AutoLock lock(lock_);
 
     // Update one component in the AudioDelayState for the packet
     // which is about to be played out.
     if (output_elements_to_write_ < kMaxDelayMeasurements) {
       delay_states_[output_elements_to_write_].output_delay_ms =
           BytesToMilliseconds(total_bytes_delay);
       ++output_elements_to_write_;
     }
 
@@ skipping 198 matching lines @@
 
   // All Close() operations that run on the mocked audio thread,
   // should be synchronous and not post additional close tasks to
   // mocked the audio thread. Hence, there is no need to call
   // message_loop()->RunUntilIdle() after the Close() methods.
   aos->Close();
   ais->Close();
 }
 
 }  // namespace media