Implement IPCs and VideoCapture::Client interfaces for texture capture

content/browser/renderer_host/media/video_capture_controller_event_handler.h

 // 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.
 
 #ifndef CONTENT_BROWSER_RENDERER_HOST_MEDIA_VIDEO_CAPTURE_CONTROLLER_EVENT_HANDLER_H_
 #define CONTENT_BROWSER_RENDERER_HOST_MEDIA_VIDEO_CAPTURE_CONTROLLER_EVENT_HANDLER_H_
 
 #include "base/memory/shared_memory.h"
 #include "base/time/time.h"
 #include "content/common/content_export.h"
-#include "media/video/capture/video_capture_types.h"
+
+namespace gpu {
+struct MailboxHolder;
+}  // namespace gpu
+
+namespace media {
+class VideoCaptureFormat;
+}  // namespace media
 
 namespace content {
 
 // ID used for identifying an object of VideoCaptureController.
 struct CONTENT_EXPORT VideoCaptureControllerID {
   explicit VideoCaptureControllerID(int device_id);
 
   bool operator<(const VideoCaptureControllerID& vc) const;
   bool operator==(const VideoCaptureControllerID& vc) const;
 
@@ skipping 14 matching lines @@
                                int length,
                                int buffer_id) = 0;
 
   // A previously created buffer has been freed and will no longer be used.
   virtual void OnBufferDestroyed(const VideoCaptureControllerID& id,
                                  int buffer_id) = 0;
 
   // A buffer has been filled with I420 video.
   virtual void OnBufferReady(const VideoCaptureControllerID& id,
                              int buffer_id,
-                             base::TimeTicks timestamp,
-                             const media::VideoCaptureFormat& format) = 0;
+                             const media::VideoCaptureFormat& format,
+                             base::TimeTicks timestamp) = 0;
+
+  // A texture mailbox buffer has been filled with data.
+  virtual void OnMailboxBufferReady(const VideoCaptureControllerID& id,
+                                    int buffer_id,
+                                    const gpu::MailboxHolder& mailbox_holder,
+                                    const media::VideoCaptureFormat& format,
+                                    base::TimeTicks timestamp) = 0;
 
   // The capture session has ended and no more frames will be sent.
   virtual void OnEnded(const VideoCaptureControllerID& id) = 0;
 
  protected:
   virtual ~VideoCaptureControllerEventHandler() {}
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_MEDIA_VIDEO_CAPTURE_CONTROLLER_EVENT_HANDLER_H_