Refactor the Get*Hardware* routines a bit.

content/renderer/media/audio_device.cc

 // Copyright (c) 2011 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 "content/renderer/media/audio_device.h"
 
 #include "base/bind.h"
 #include "base/debug/trace_event.h"
 #include "base/message_loop.h"
 #include "base/time.h"
@@ skipping 215 matching lines @@
   if (callback_) {
     // Update the audio-delay measurement then ask client to render audio.
     callback_->Render(audio_data_, buffer_size_, audio_delay_milliseconds_);
 
     // Interleave, scale, and clip to int16.
     media::InterleaveFloatToInt16(audio_data_,
                                   static_cast<int16*>(shared_memory_data()),
                                   buffer_size_);
   }
 }
-
-double AudioDevice::GetAudioHardwareSampleRate() {
-  // Uses cached value if possible.
-  static double hardware_sample_rate = 0;
-  if (!hardware_sample_rate) {
-    RenderThreadImpl::current()->Send(
-        new ViewHostMsg_GetHardwareSampleRate(&hardware_sample_rate));
-  }
-  return hardware_sample_rate;
-}
-
-size_t AudioDevice::GetAudioHardwareBufferSize() {
-  // Uses cached value if possible.
-  static uint32 buffer_size = 0;
-
-  if (!buffer_size) {
-    RenderThreadImpl::current()->Send(
-        new ViewHostMsg_GetHardwareBufferSize(&buffer_size));
-  }
-
-  return static_cast<size_t>(buffer_size);
-}