Make VideoFrameSchedulerProxy own the scheduler it is proxying.

media/filters/video_frame_scheduler_proxy.h

Index: media/filters/video_frame_scheduler_proxy.h
diff --git a/media/filters/video_frame_scheduler_proxy.h b/media/filters/video_frame_scheduler_proxy.h
index d17fb5632bc3e9a3ce1dc32b4659e1f38b60b7f5..9130f603f1bc6208a876f4807950120d8805905c 100644
--- a/media/filters/video_frame_scheduler_proxy.h
+++ b/media/filters/video_frame_scheduler_proxy.h
@@ -22,11 +22,11 @@ class MEDIA_EXPORT VideoFrameSchedulerProxy : public VideoFrameScheduler {
  public:
   // |task_runner| is the runner that this object will be called on.
   // |scheduler_runner| is the runner that |scheduler| will be called on.
-  // |scheduler| must out-live the lifetime of this object.
+  // |scheduler| will be deleted on |scheduler_runner|.
   VideoFrameSchedulerProxy(
       const scoped_refptr<base::SingleThreadTaskRunner>& task_runner,
       const scoped_refptr<base::SingleThreadTaskRunner>& scheduler_runner,
-      VideoFrameScheduler* scheduler);
+      scoped_ptr<VideoFrameScheduler> scheduler);
   virtual ~VideoFrameSchedulerProxy();
 
   // VideoFrameScheduler implementation.
@@ -38,7 +38,7 @@ class MEDIA_EXPORT VideoFrameSchedulerProxy : public VideoFrameScheduler {
  private:
   scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
   scoped_refptr<base::SingleThreadTaskRunner> scheduler_runner_;
-  VideoFrameScheduler* scheduler_;  // Not owned.
+  scoped_ptr<VideoFrameScheduler> scheduler_;
 
   // NOTE: Weak pointers must be invalidated before all other member variables.
   base::WeakPtrFactory<VideoFrameSchedulerProxy> weak_factory_;