Make MediaPlayerEventRouter a PKS to decouple it from ExtensionService

chrome/browser/chromeos/media/media_player_extension_api.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 "base/values.h"
-#include "chrome/browser/chromeos/media/media_player.h"
-#include "chrome/browser/chromeos/media/media_player_extension_api.h"
-
-static const char kPropertyItems[] = "items";
-static const char kPropertyPosition[] = "position";
-
-bool PlayMediaplayerFunction::RunImpl() {
-  if (args_->GetSize() < 2) {
-    return false;
-  }
-
-  ListValue* url_list = NULL;
-  if (!args_->GetList(0, &url_list))
-    return false;
-
-  int position;
-  if (!args_->GetInteger(1, &position))
-    return false;
-
-  MediaPlayer* player = MediaPlayer::GetInstance();
-
-  player->PopupMediaPlayer();
-  player->ClearPlaylist();
-
-  size_t len = url_list->GetSize();
-  for (size_t i = 0; i < len; ++i) {
-    std::string path;
-    url_list->GetString(i, &path);
-    player->EnqueueMediaFileUrl(GURL(path));
-  }
-
-  player->SetPlaylistPosition(position);
-  player->NotifyPlaylistChanged();
-
-  return true;
-}
-
-static ListValue* GetPlaylistItems() {
-  ListValue* result = new ListValue();
-
-  MediaPlayer::UrlVector const& src = MediaPlayer::GetInstance()->GetPlaylist();
-
-  for (size_t i = 0; i < src.size(); i++) {
-    result->Append(new base::StringValue(src[i].spec()));
-  }
-  return result;
-}
-
-bool GetPlaylistMediaplayerFunction::RunImpl() {
-  DictionaryValue* result = new DictionaryValue();
-  MediaPlayer* player = MediaPlayer::GetInstance();
-
-  result->Set(kPropertyItems, GetPlaylistItems());
-  result->SetInteger(kPropertyPosition, player->GetPlaylistPosition());
-
-  SetResult(result);
-  return true;
-}
-
-// TODO(kaznacheev): rename the API method to adjustWindowHeight here and in
-// media_player_private.json.
-bool SetWindowHeightMediaplayerFunction::RunImpl() {
-  int height_diff;
-  if (!args_->GetInteger(0, &height_diff))
-    return false;
-  MediaPlayer::GetInstance()->AdjustWindowHeight(height_diff);
-  return true;
-}
-
-bool CloseWindowMediaplayerFunction::RunImpl() {
-  MediaPlayer::GetInstance()->CloseWindow();
-  return true;
-}