Fix remaining incompatibilities between scoped_ptr and unique_ptr.

content/browser/compositor/delegated_frame_host.h

 // Copyright 2014 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.
 
 #ifndef CONTENT_BROWSER_COMPOSITOR_DELEGATED_FRAME_HOST_H_
 #define CONTENT_BROWSER_COMPOSITOR_DELEGATED_FRAME_HOST_H_
 
 #include <stdint.h>
 
 #include <vector>
@@ skipping 137 matching lines @@
                                   const ReadbackRequestCallback& callback,
                                   const SkColorType preferred_color_type);
   void CopyFromCompositingSurfaceToVideoFrame(
       const gfx::Rect& src_subrect,
       const scoped_refptr<media::VideoFrame>& target,
       const base::Callback<void(const gfx::Rect&, bool)>& callback);
   bool CanCopyToVideoFrame() const;
   void BeginFrameSubscription(
       scoped_ptr<RenderWidgetHostViewFrameSubscriber> subscriber);
   void EndFrameSubscription();
-  bool HasFrameSubscriber() const { return frame_subscriber_; }
+  bool HasFrameSubscriber() const { return !!frame_subscriber_; }
   uint32_t GetSurfaceIdNamespace();
   // Returns a null SurfaceId if this DelegatedFrameHost has not yet created
   // a compositor Surface.
   cc::SurfaceId SurfaceIdAtPoint(const gfx::Point& point,
                                  gfx::Point* transformed_point);
 
   // Given the SurfaceID of a Surface that is contained within this class'
   // Surface, find the relative transform between the Surfaces and apply it
   // to a point. If a Surface has not yet been created this returns the
   // same point with no transform applied.
@@ skipping 179 matching lines @@
   // YUV readback pipeline.
   scoped_ptr<content::ReadbackYUVInterface>
       yuv_readback_pipeline_;
 
   scoped_ptr<DelegatedFrameEvictor> delegated_frame_evictor_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_COMPOSITOR_DELEGATED_FRAME_HOST_H_