Reorganize media::VideoCapture* types

content/browser/renderer_host/media/video_capture_host.h

Index: content/browser/renderer_host/media/video_capture_host.h
diff --git a/content/browser/renderer_host/media/video_capture_host.h b/content/browser/renderer_host/media/video_capture_host.h
index 4648466cdefac5edb4018923526af2d0e34900e0..c1f8e3c9e0b35016cbecf9839ee3c42e64c95c26 100644
--- a/content/browser/renderer_host/media/video_capture_host.h
+++ b/content/browser/renderer_host/media/video_capture_host.h
@@ -104,16 +104,17 @@ class CONTENT_EXPORT VideoCaptureHost
   virtual ~VideoCaptureHost();
 
   // IPC message: Start capture on the VideoCaptureDevice referenced by
-  // VideoCaptureParams::session_id. |device_id| is an id created by
-  // VideoCaptureMessageFilter to identify a session
-  // between a VideoCaptureMessageFilter and a VideoCaptureHost.
+  // |session_id|. |device_id| is an id created by VideoCaptureMessageFilter
+  // to identify a session between a VideoCaptureMessageFilter and a
+  // VideoCaptureHost.
   void OnStartCapture(int device_id,
+                      media::VideoCaptureSessionId session_id,
                       const media::VideoCaptureParams& params);
   void OnControllerAdded(
-      int device_id, const media::VideoCaptureParams& params,
+      int device_id,
       const base::WeakPtr<VideoCaptureController>& controller);
   void DoControllerAddedOnIOThread(
-      int device_id, const media::VideoCaptureParams& params,
+      int device_id,
       const base::WeakPtr<VideoCaptureController>& controller);
 
   // IPC message: Stop capture on device referenced by |device_id|.