chromeos: Move files in //ash/common to //ash, part 2

ash/media_controller.cc

 // Copyright 2016 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 "ash/common/media_controller.h"
+#include "ash/media_controller.h"
 
 namespace ash {
 
 MediaController::MediaController() {}
 
 MediaController::~MediaController() {}
 
 void MediaController::BindRequest(mojom::MediaControllerRequest request) {
   bindings_.AddBinding(this, std::move(request));
 }
@@ skipping 30 matching lines @@
   client_.Bind(std::move(client));
 }
 
 void MediaController::NotifyCaptureState(
     const std::vector<mojom::MediaCaptureState>& capture_states) {
   for (auto& observer : observers_)
     observer.OnMediaCaptureChanged(capture_states);
 }
 
 }  // namespace ash