Revert "Add VideoCaptureImpl and VideoCaptureImplManager"

content/renderer/media/video_capture_impl.h

-// Copyright (c) 2011 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.
-
-// VideoCaptureImpl represents a capture device in renderer process. It provides
-// interfaces for clients to Start/Stop capture. It also communicates to clients
-// when buffer is ready, state of capture device is changed.
-
-#ifndef CONTENT_RENDERER_MEDIA_VIDEO_CAPTURE_IMPL_H_
-#define CONTENT_RENDERER_MEDIA_VIDEO_CAPTURE_IMPL_H_
-
-#include <list>
-#include <map>
-
-#include "content/renderer/video_capture_message_filter.h"
-#include "media/base/callback.h"
-#include "media/video/capture/video_capture.h"
-#include "ui/gfx/surface/transport_dib.h"
-
-namespace base {
-class MessageLoopProxy;
-}
-
-class VideoCaptureImpl
-    : public media::VideoCapture,
-      public VideoCaptureMessageFilter::Delegate {
- public:
-  // media::VideoCapture interface.
-  virtual void StartCapture(media::VideoCapture::EventHandler* handler,
-                            const VideoCaptureCapability& capability);
-  virtual void StopCapture(media::VideoCapture::EventHandler* handler);
-  virtual bool CaptureStarted();
-  virtual int CaptureWidth();
-  virtual int CaptureHeight();
-  virtual int CaptureFrameRate();
-
-  // VideoCaptureMessageFilter::Delegate interface.
-  virtual void OnBufferReceived(TransportDIB::Handle handle,
-                                base::Time timestamp);
-  virtual void OnStateChanged(const media::VideoCapture::State& state);
-  virtual void OnDeviceInfoReceived(
-      const media::VideoCaptureParams& device_info);
-  virtual void OnDelegateAdded(int32 device_id);
-
-  bool pending_start() {
-    return (new_width_ > 0 && new_height_ > 0);
-  }
-
- private:
-  friend class VideoCaptureImplManager;
-  friend class VideoCaptureImplTest;
-
-  enum State {
-    kStarted,
-    kStopping,
-    kStopped
-  };
-
-  struct DIBBuffer {
-   public:
-    DIBBuffer(TransportDIB* d, media::VideoCapture::VideoFrameBuffer* ptr);
-    ~DIBBuffer();
-
-    TransportDIB* dib;
-    scoped_refptr<media::VideoCapture::VideoFrameBuffer> mapped_memory;
-  };
-
-  VideoCaptureImpl(media::VideoCaptureSessionId id,
-                   scoped_refptr<base::MessageLoopProxy> ml_proxy,
-                   VideoCaptureMessageFilter* filter);
-  virtual ~VideoCaptureImpl();
-
-  void Init();
-  void DeInit(Task* task);
-  void StopDevice();
-  void RestartCapture();
-  void StartCaptureInternal();
-  void AddDelegateOnIOThread();
-  void RemoveDelegateOnIOThread(Task* task);
-
-  scoped_refptr<VideoCaptureMessageFilter> message_filter_;
-  media::VideoCaptureSessionId session_id_;
-  scoped_refptr<base::MessageLoopProxy> ml_proxy_;
-  int device_id_;
-
-  // Pool of DIBs.
-  typedef std::list<DIBBuffer*> CachedDIB;
-  CachedDIB cached_dibs_;
-
-  typedef std::map<media::VideoCapture::EventHandler*, VideoCaptureCapability>
-      ClientInfo;
-  ClientInfo clients_;
-  std::list<media::VideoCapture::EventHandler*> master_clients_;
-
-  ClientInfo pending_clients_;
-
-  int width_;
-  int height_;
-  int frame_rate_;
-  media::VideoFrame::Format video_type_;
-
-  int new_width_;
-  int new_height_;
-  State state_;
-
-  DISALLOW_COPY_AND_ASSIGN(VideoCaptureImpl);
-};
-
-DISABLE_RUNNABLE_METHOD_REFCOUNT(VideoCaptureImpl);
-
-#endif  // CONTENT_RENDERER_MEDIA_VIDEO_CAPTURE_IMPL_H_