Privatize StrongBinding lifetime management

content/browser/renderer_host/offscreen_canvas_frame_receiver_impl.h

Index: content/browser/renderer_host/offscreen_canvas_frame_receiver_impl.h
diff --git a/content/browser/renderer_host/offscreen_canvas_frame_receiver_impl.h b/content/browser/renderer_host/offscreen_canvas_frame_receiver_impl.h
index ae0489b0074bf8a20ac0a9fc2d53040dcfaa99f2..c9e7de3a738956ee1008c678f0b9ab66fc54de6b 100644
--- a/content/browser/renderer_host/offscreen_canvas_frame_receiver_impl.h
+++ b/content/browser/renderer_host/offscreen_canvas_frame_receiver_impl.h
@@ -5,8 +5,6 @@
 #ifndef CONTENT_BROWSER_RENDERER_HOST_OFFSCREEN_CANVAS_FRAME_RECEIVER_IMPL_H_
 #define CONTENT_BROWSER_RENDERER_HOST_OFFSCREEN_CANVAS_FRAME_RECEIVER_IMPL_H_
 
-#include "mojo/public/cpp/bindings/interface_request.h"
-#include "mojo/public/cpp/bindings/strong_binding.h"
 #include "third_party/WebKit/public/platform/modules/offscreencanvas/offscreen_canvas_surface.mojom.h"
 
 namespace content {
@@ -14,20 +12,15 @@ namespace content {
 class OffscreenCanvasFrameReceiverImpl
     : public blink::mojom::OffscreenCanvasFrameReceiver {
  public:
-  static void Create(mojo::InterfaceRequest<
-                     blink::mojom::OffscreenCanvasFrameReceiver> request);
+  OffscreenCanvasFrameReceiverImpl();
+  ~OffscreenCanvasFrameReceiverImpl() override;
+
+  static void Create(blink::mojom::OffscreenCanvasFrameReceiverRequest request);
 
   void SubmitCompositorFrame(const cc::SurfaceId& surface_id,
                              cc::CompositorFrame frame) override;
 
  private:
-  ~OffscreenCanvasFrameReceiverImpl() override;
-  explicit OffscreenCanvasFrameReceiverImpl(
-      mojo::InterfaceRequest<blink::mojom::OffscreenCanvasFrameReceiver>
-          request);
-
-  mojo::StrongBinding<blink::mojom::OffscreenCanvasFrameReceiver> binding_;
-
   DISALLOW_COPY_AND_ASSIGN(OffscreenCanvasFrameReceiverImpl);
 };