cros: Enable new cras audio handler by default

chrome/browser/policy/policy_browsertest.cc

Index: chrome/browser/policy/policy_browsertest.cc
diff --git a/chrome/browser/policy/policy_browsertest.cc b/chrome/browser/policy/policy_browsertest.cc
index 8fc55ba348add131838dbe4b7ea3a51a6b0e485c..69ba04f36f3d89512d6e136c786beefec91a22ed 100644
--- a/chrome/browser/policy/policy_browsertest.cc
+++ b/chrome/browser/policy/policy_browsertest.cc
@@ -119,6 +119,7 @@
 #include "ash/shell.h"
 #include "ash/shell_delegate.h"
 #include "chrome/browser/chromeos/audio/audio_handler.h"
+#include "chromeos/audio/audio_pref_handler.h"
 #endif
 
 using content::BrowserThread;
@@ -1643,8 +1644,11 @@ IN_PROC_BROWSER_TEST_F(PolicyTest, DisableScreenshotsFile) {
   ASSERT_EQ(CountScreenshots(), screenshot_count + 1);
 }
 
-IN_PROC_BROWSER_TEST_F(PolicyTest, DisableAudioOutput) {
+// TODO(rkc,jennyz): Fix this once we remove the old Audio Handler completely.
+IN_PROC_BROWSER_TEST_F(PolicyTest, DISABLED_DisableAudioOutput) {
   // Set up the mock observer.
+  chromeos::AudioHandler::Initialize(
+      chromeos::AudioPrefHandler::Create(g_browser_process->local_state()));
   chromeos::AudioHandler* audio_handler = chromeos::AudioHandler::GetInstance();
   scoped_ptr<TestVolumeObserver> mock(new TestVolumeObserver());
   audio_handler->AddVolumeObserver(mock.get());
@@ -1677,6 +1681,7 @@ IN_PROC_BROWSER_TEST_F(PolicyTest, DisableAudioOutput) {
   EXPECT_CALL(*mock, OnMuteToggled()).Times(1);
   audio_handler->SetMuted(prior_state);
   audio_handler->RemoveVolumeObserver(mock.get());
+  chromeos::AudioHandler::Shutdown();
 }
 
 IN_PROC_BROWSER_TEST_F(PolicyTest, PRE_SessionLengthLimit) {