Implement new audio handler which talks to the new audio dbus apis.

chrome/browser/ui/ash/volume_controller_browsertest_chromeos.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 "chrome/browser/ui/ash/volume_controller_chromeos.h"
 
+#include "chrome/browser/browser_process.h"
 #include "chrome/browser/chromeos/audio/audio_handler.h"
 #include "chrome/browser/chromeos/audio/audio_mixer.h"
 #include "chrome/test/base/in_process_browser_test.h"
 #include "chrome/test/base/ui_test_utils.h"
+#include "chromeos/audio/audio_pref_handler.h"
 #include "ui/base/accelerators/accelerator.h"
 
 namespace {
 
 // Default volume as a percentage in the range [0.0, 100.0].
 const double kDefaultVolumePercent = 75.0;
 
 class MockAudioMixer : public chromeos::AudioMixer {
  public:
   MockAudioMixer()
@@ skipping 56 matching lines @@
 
 // This class has to be browsertest because AudioHandler uses prefs_service.
 class VolumeControllerTest : public InProcessBrowserTest {
  public:
   VolumeControllerTest() {}
 
   virtual void SetUpOnMainThread() OVERRIDE {
     // First we should shutdown the default audio handler.
     chromeos::AudioHandler::Shutdown();
     audio_mixer_ = new MockAudioMixer;
-    chromeos::AudioHandler::InitializeForTesting(audio_mixer_);
+    chromeos::AudioHandler::InitializeForTesting(audio_mixer_,
+        chromeos::AudioPrefHandler::Create(g_browser_process->local_state()));
   }
 
   virtual void CleanUpOnMainThread() OVERRIDE {
     chromeos::AudioHandler::Shutdown();
     audio_mixer_ = NULL;
   }
 
  protected:
   void SetVolumePercent(double percent) {
     volume_controller_.SetVolumePercent(percent);
@@ skipping 104 matching lines @@
   EXPECT_DOUBLE_EQ(0.0, audio_mixer()->GetVolumePercent());
 
   // Thus, further VolumeUp doesn't recover the volume, it's just slightly
   // bigger than 0.
   VolumeUp();
   EXPECT_LT(0.0, audio_mixer()->GetVolumePercent());
   EXPECT_GT(initial_volume, audio_mixer()->GetVolumePercent());
 }
 
 }  // namespace