Implement IPCs and VideoCapture::Client interfaces for texture capture

content/renderer/media/video_capture_impl_unittest.cc

 // 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.
 
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
 #include "content/child/child_process.h"
 #include "content/common/media/video_capture_messages.h"
 #include "content/renderer/media/video_capture_impl.h"
 #include "media/base/bind_to_current_loop.h"
@@ skipping 62 matching lines @@
                             const media::VideoCaptureParams& params) {
       OnStateChanged(VIDEO_CAPTURE_STATE_STARTED);
     }
 
     void DevicePauseCapture(int device_id) {}
 
     void DeviceStopCapture(int device_id) {
       OnStateChanged(VIDEO_CAPTURE_STATE_STOPPED);
     }
 
-    void DeviceReceiveEmptyBuffer(int device_id, int buffer_id) {}
+    void DeviceReceiveEmptyBuffer(int device_id,
+                                  int buffer_id,
+                                  uint32 sync_point) {}
 
     void DeviceGetSupportedFormats(int device_id,
                                    media::VideoCaptureSessionId session_id) {
       // When the mock message filter receives a request for the device
       // supported formats, replies immediately with an empty format list.
       OnDeviceSupportedFormatsEnumerated(
           media::VideoCaptureFormats());
     }
 
     void DeviceGetFormatsInUse(int device_id,
@@ skipping 185 matching lines @@
                  base::Unretained(client.get()));
   video_capture_impl_->GetDeviceFormatsInUse(callback);
   video_capture_impl_->DeInit(
       media::BindToCurrentLoop(run_loop_.QuitClosure()));
   run_loop_.Run();
 
   EXPECT_TRUE(formats_in_use.empty());
 }
 
 }  // namespace content