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

ash/common/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"
-
-namespace ash {
-
-MediaController::MediaController() {}
-
-MediaController::~MediaController() {}
-
-void MediaController::BindRequest(mojom::MediaControllerRequest request) {
-  bindings_.AddBinding(this, std::move(request));
-}
-
-void MediaController::AddObserver(MediaCaptureObserver* observer) {
-  observers_.AddObserver(observer);
-}
-
-void MediaController::RemoveObserver(MediaCaptureObserver* observer) {
-  observers_.RemoveObserver(observer);
-}
-
-void MediaController::HandleMediaNextTrack() {
-  if (client_)
-    client_->HandleMediaNextTrack();
-}
-
-void MediaController::HandleMediaPlayPause() {
-  if (client_)
-    client_->HandleMediaPlayPause();
-}
-
-void MediaController::HandleMediaPrevTrack() {
-  if (client_)
-    client_->HandleMediaPrevTrack();
-}
-
-void MediaController::RequestCaptureState() {
-  if (client_)
-    client_->RequestCaptureState();
-}
-
-void MediaController::SetClient(mojom::MediaClientAssociatedPtrInfo client) {
-  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