Fixit: Move tab and desktop capture code to new location.

content/browser/renderer_host/media/desktop_capture_device.h

-// Copyright (c) 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 CONTENT_BROWSER_RENDERER_HOST_MEDIA_DESKTOP_CAPTURE_DEVICE_H_
-#define CONTENT_BROWSER_RENDERER_HOST_MEDIA_DESKTOP_CAPTURE_DEVICE_H_
-
-#include "base/memory/ref_counted.h"
-#include "base/memory/scoped_ptr.h"
-#include "content/common/content_export.h"
-#include "media/video/capture/video_capture_device.h"
-
-namespace base {
-class SequencedTaskRunner;
-}  // namespace base
-
-namespace webrtc {
-class DesktopCapturer;
-}  // namespace webrtc
-
-namespace content {
-
-struct DesktopMediaID;
-
-// DesktopCaptureDevice implements VideoCaptureDevice for screens and windows.
-// It's essentially an adapter between webrtc::DesktopCapturer and
-// VideoCaptureDevice.
-class CONTENT_EXPORT DesktopCaptureDevice : public media::VideoCaptureDevice {
- public:
-  // Creates capturer for the specified |source| and then creates
-  // DesktopCaptureDevice for it. May return NULL in case of a failure (e.g. if
-  // requested window was destroyed).
-  static scoped_ptr<media::VideoCaptureDevice> Create(
-      const DesktopMediaID& source);
-
-  DesktopCaptureDevice(scoped_refptr<base::SequencedTaskRunner> task_runner,
-                       scoped_ptr<webrtc::DesktopCapturer> desktop_capturer);
-  virtual ~DesktopCaptureDevice();
-
-  // VideoCaptureDevice interface.
-  virtual void AllocateAndStart(const media::VideoCaptureParams& params,
-                                scoped_ptr<Client> client) OVERRIDE;
-  virtual void StopAndDeAllocate() OVERRIDE;
-
- private:
-  class Core;
-  scoped_refptr<Core> core_;
-
-  DISALLOW_COPY_AND_ASSIGN(DesktopCaptureDevice);
-};
-
-}  // namespace content
-
-#endif  // CONTENT_BROWSER_RENDERER_HOST_MEDIA_DESKTOP_CAPTURE_DEVICE_H_