Simplify AudioInputRendererHost IPC interface.

media/audio/audio_input_controller.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 "media/audio/audio_input_controller.h"
 
 #include <algorithm>
 #include <limits>
 #include <utility>
 
@@ skipping 333 matching lines @@
 
   {
     base::AutoLock auto_lock(lock_);
     state_ = RECORDING;
   }
 
   if (handler_)
     handler_->OnLog(this, "AIC::DoRecord");
 
   stream_->Start(this);
-  if (handler_)
-    handler_->OnRecording(this);
 }
 
 void AudioInputController::DoClose() {
   DCHECK(task_runner_->BelongsToCurrentThread());
   SCOPED_UMA_HISTOGRAM_TIMER("Media.AudioInputController.CloseTime");
   // If we have already logged something, this does nothing.
   // Otherwise, we haven't recieved data.
   LogCaptureStartupResult(CAPTURE_STARTUP_NEVER_GOT_DATA);
 
   if (state_ == CLOSED)
@@ skipping 287 matching lines @@
   if (debug_writer_)
     debug_writer_->Write(std::move(data));
 }
 
 void AudioInputController::LogMessage(const std::string& message) {
   DCHECK(task_runner_->BelongsToCurrentThread());
   handler_->OnLog(this, message);
 }
 
 }  // namespace media