Redo r113722 - Add Pass(), which implements move semantics, to scoped_ptr, scoped_array....

content/browser/renderer_host/render_widget_host_view_win.cc

Index: content/browser/renderer_host/render_widget_host_view_win.cc
diff --git a/content/browser/renderer_host/render_widget_host_view_win.cc b/content/browser/renderer_host/render_widget_host_view_win.cc
index 092ec8b4fe0f3267c9b525492f82d5617a863fab..a27b92319f949a023bdc530c004276ea505bc39e 100644
--- a/content/browser/renderer_host/render_widget_host_view_win.cc
+++ b/content/browser/renderer_host/render_widget_host_view_win.cc
@@ -181,10 +181,7 @@ LRESULT CALLBACK PluginWrapperWindowProc(HWND window, unsigned int message,
   return ::DefWindowProc(window, message, wparam, lparam);
 }
 
-void SendToGpuProcessHost(int gpu_host_id, IPC::Message* m) {
-  // TODO(ajwong): Switch back to Passed() when it becomes available again.
-  scoped_ptr<IPC::Message> message(m);
-
+void SendToGpuProcessHost(int gpu_host_id, scoped_ptr<IPC::Message> message) {
   GpuProcessHost* gpu_process_host = GpuProcessHost::FromID(gpu_host_id);
   if (!gpu_process_host)
     return;
@@ -2048,10 +2045,12 @@ void RenderWidgetHostViewWin::AcceleratedSurfaceBuffersSwapped(
       accelerated_surface_->Initialize();
     }
 
+    scoped_ptr<IPC::Message> message(
+        new AcceleratedSurfaceMsg_BuffersSwappedACK(params.route_id));
     base::Closure acknowledge_task = base::Bind(
         SendToGpuProcessHost,
         gpu_host_id,
-        new AcceleratedSurfaceMsg_BuffersSwappedACK(params.route_id));
+        base::Passed(&message));
 
     accelerated_surface_->AsyncPresentAndAcknowledge(
         params.size,