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

chrome/browser/ui/ash/volume_controller_browsertest_chromeos.cc

Index: chrome/browser/ui/ash/volume_controller_browsertest_chromeos.cc
diff --git a/chrome/browser/ui/ash/volume_controller_browsertest_chromeos.cc b/chrome/browser/ui/ash/volume_controller_browsertest_chromeos.cc
index 648f343b10a01d40077b35ac4348adef17a99f29..1b6554a5b2bb5d8a4caeb81a1241ea66e82bafcd 100644
--- a/chrome/browser/ui/ash/volume_controller_browsertest_chromeos.cc
+++ b/chrome/browser/ui/ash/volume_controller_browsertest_chromeos.cc
@@ -4,10 +4,12 @@
 
 #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 {
@@ -84,7 +86,8 @@ class VolumeControllerTest : public InProcessBrowserTest {
     // 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 {