Add a flag in StopCapture to allow event handler to choose event notification.

webkit/plugins/ppapi/ppb_video_capture_impl.cc

Index: webkit/plugins/ppapi/ppb_video_capture_impl.cc
===================================================================
--- webkit/plugins/ppapi/ppb_video_capture_impl.cc	(revision 102594)
+++ webkit/plugins/ppapi/ppb_video_capture_impl.cc	(working copy)
@@ -107,7 +107,7 @@
   }
   ReleaseBuffers();
   status_ = PP_VIDEO_CAPTURE_STATUS_STOPPING;
-  platform_video_capture_->StopCapture(this);
+  platform_video_capture_->StopCapture(this, false);
   return PP_OK;
 }
 
@@ -229,7 +229,7 @@
     // capture.
     ppp_videocapture_->OnError(pp_instance(), pp_resource(), PP_ERROR_NOMEMORY);
     status_ = PP_VIDEO_CAPTURE_STATUS_STOPPING;
-    platform_video_capture_->StopCapture(this);
+    platform_video_capture_->StopCapture(this, false);
     return;
   }