Revert of Refactor video capturing code in the render process

content/renderer/pepper/pepper_video_capture_host.h

Index: content/renderer/pepper/pepper_video_capture_host.h
diff --git a/content/renderer/pepper/pepper_video_capture_host.h b/content/renderer/pepper/pepper_video_capture_host.h
index 8326c5ec1aa4c4d9cd72b769c754489f0fb85872..8f5b77ad3b1778894631d1f45ea7544eb20243eb 100644
--- a/content/renderer/pepper/pepper_video_capture_host.h
+++ b/content/renderer/pepper/pepper_video_capture_host.h
@@ -7,25 +7,21 @@
 
 #include "base/compiler_specific.h"
 #include "base/memory/ref_counted.h"
-#include "base/memory/scoped_ptr.h"
-#include "content/common/media/video_capture.h"
 #include "content/public/renderer/renderer_ppapi_host.h"
 #include "content/renderer/pepper/pepper_device_enumeration_host_helper.h"
 #include "content/renderer/pepper/ppb_buffer_impl.h"
+#include "media/video/capture/video_capture.h"
 #include "media/video/capture/video_capture_types.h"
 #include "ppapi/c/dev/ppp_video_capture_dev.h"
 #include "ppapi/host/host_message_context.h"
 #include "ppapi/host/resource_host.h"
 
-namespace media {
-class VideoFrame;
-}  // namespace media
-
 namespace content {
 class PepperPlatformVideoCapture;
 class RendererPpapiHostImpl;
 
-class PepperVideoCaptureHost : public ppapi::host::ResourceHost {
+class PepperVideoCaptureHost : public ppapi::host::ResourceHost,
+                               public media::VideoCapture::EventHandler {
  public:
   PepperVideoCaptureHost(RendererPpapiHostImpl* host,
                          PP_Instance instance,
@@ -39,28 +35,17 @@
       const IPC::Message& msg,
       ppapi::host::HostMessageContext* context) OVERRIDE;
 
-  // These methods are called by PepperPlatformVideoCapture only.
+  void OnInitialized(media::VideoCapture* capture, bool succeeded);
 
-  // Called when video capture is initialized. We can start
-  // video capture if |succeeded| is true.
-  void OnInitialized(bool succeeded);
-
-  // Called when video capture has started successfully.
-  void OnStarted();
-
-  // Called when video capture has stopped. There will be no more
-  // frames delivered.
-  void OnStopped();
-
-  // Called when video capture has paused.
-  void OnPaused();
-
-  // Called when video capture cannot be started because of an error.
-  void OnError();
-
-  // Called when a video frame is ready.
-  void OnFrameReady(const scoped_refptr<media::VideoFrame>& frame,
-                    media::VideoCaptureFormat format);
+  // media::VideoCapture::EventHandler
+  virtual void OnStarted(media::VideoCapture* capture) OVERRIDE;
+  virtual void OnStopped(media::VideoCapture* capture) OVERRIDE;
+  virtual void OnPaused(media::VideoCapture* capture) OVERRIDE;
+  virtual void OnError(media::VideoCapture* capture, int error_code) OVERRIDE;
+  virtual void OnRemoved(media::VideoCapture* capture) OVERRIDE;
+  virtual void OnFrameReady(media::VideoCapture* capture,
+                            const scoped_refptr<media::VideoFrame>& frame)
+      OVERRIDE;
 
  private:
   int32_t OnOpen(ppapi::host::HostMessageContext* context,
@@ -87,7 +72,7 @@
 
   bool SetStatus(PP_VideoCaptureStatus_Dev status, bool forced);
 
-  scoped_ptr<PepperPlatformVideoCapture> platform_video_capture_;
+  scoped_refptr<PepperPlatformVideoCapture> platform_video_capture_;
 
   // Buffers of video frame.
   struct BufferInfo {