Add a ChromeOS implementation of VideoCaptureDevice

media/video/capture/video_capture_device.h

Index: media/video/capture/video_capture_device.h
diff --git a/media/video/capture/video_capture_device.h b/media/video/capture/video_capture_device.h
index 8229716022a9bf261cfc4c7bd31481de6eb6edc4..7651d04b53e4ebf2b18b793e19c60970f4e859c0 100644
--- a/media/video/capture/video_capture_device.h
+++ b/media/video/capture/video_capture_device.h
@@ -18,6 +18,7 @@
 #include "base/logging.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
+#include "base/single_thread_task_runner.h"
 #include "base/time/time.h"
 #include "media/base/media_export.h"
 #include "media/base/video_frame.h"
@@ -190,7 +191,9 @@ class MEDIA_EXPORT VideoCaptureDevice {
 
   // Creates a VideoCaptureDevice object.
   // Return NULL if the hardware is not available.
-  static VideoCaptureDevice* Create(const Name& device_name);
+  static VideoCaptureDevice* Create(
+      scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner,
+      const Name& device_name);
   virtual ~VideoCaptureDevice();
 
   // Gets the names of all video capture devices connected to this computer.