Cleanup: Remove more unneeded browser_thread.h includes.

chrome/browser/chromeos/audio/audio_handler.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/chromeos/audio/audio_handler.h"
 
 #include <algorithm>
 #include <cmath>
 
+#include "base/bind.h"
+#include "base/bind_helpers.h"
 #include "base/logging.h"
 #include "base/memory/singleton.h"
 #include "chrome/browser/browser_process.h"
 #if defined(USE_CRAS)
 #include "chrome/browser/chromeos/audio/audio_mixer_cras.h"
 #else
 #include "chrome/browser/chromeos/audio/audio_mixer_alsa.h"
 #endif
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/common/chrome_notification_types.h"
 #include "chrome/common/pref_names.h"
-#include "content/public/browser/browser_thread.h"
 
 using std::max;
 using std::min;
 
 namespace chromeos {
 
 namespace {
 
 // Default value for the volume pref, as a percent in the range [0.0, 100.0].
 const double kDefaultVolumePercent = 75.0;
@@ skipping 167 matching lines @@
   mixer_->SetCaptureMuteLocked(false);
   if (local_state_->GetBoolean(prefs::kAudioCaptureAllowed)) {
     mixer_->SetCaptureMuted(false);
   } else {
     mixer_->SetCaptureMuted(true);
     mixer_->SetCaptureMuteLocked(true);
   }
 }
 
 }  // namespace chromeos