Cleanup: move WebRTC related files from chrome/browser/media to chrome/browser/media/webrtc/

chrome/browser/media/fake_desktop_media_list.h

-// Copyright 2013 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.
-
-#ifndef CHROME_BROWSER_MEDIA_FAKE_DESKTOP_MEDIA_LIST_H_
-#define CHROME_BROWSER_MEDIA_FAKE_DESKTOP_MEDIA_LIST_H_
-
-#include <vector>
-
-#include "chrome/browser/media/desktop_media_list.h"
-
-class FakeDesktopMediaList : public DesktopMediaList {
- public:
-  FakeDesktopMediaList();
-  ~FakeDesktopMediaList() override;
-
-  void AddSource(int id);
-  void AddSourceByFullMediaID(content::DesktopMediaID media_id);
-  void RemoveSource(int index);
-  void MoveSource(int old_index, int new_index);
-  void SetSourceThumbnail(int index);
-  void SetSourceName(int index, base::string16 name);
-
-  // DesktopMediaList implementation:
-  void SetUpdatePeriod(base::TimeDelta period) override;
-  void SetThumbnailSize(const gfx::Size& thumbnail_size) override;
-  void SetViewDialogWindowId(content::DesktopMediaID dialog_id) override;
-  void StartUpdating(DesktopMediaListObserver* observer) override;
-  int GetSourceCount() const override;
-  const Source& GetSource(int index) const override;
-
- private:
-  std::vector<Source> sources_;
-  DesktopMediaListObserver* observer_;
-  gfx::ImageSkia thumbnail_;
-};
-
-#endif  // CHROME_BROWSER_MEDIA_FAKE_DESKTOP_MEDIA_LIST_H_