Make channel preemption not require view contexts for hookup

content/browser/renderer_host/render_widget_host_impl.h

Index: content/browser/renderer_host/render_widget_host_impl.h
diff --git a/content/browser/renderer_host/render_widget_host_impl.h b/content/browser/renderer_host/render_widget_host_impl.h
index 06d502f31d452a0cc087931c9e632733d1e6a441..11b99ee5d42f249434d4694dc0d146e014263cf9 100644
--- a/content/browser/renderer_host/render_widget_host_impl.h
+++ b/content/browser/renderer_host/render_widget_host_impl.h
@@ -484,10 +484,6 @@ class CONTENT_EXPORT RenderWidgetHostImpl
   // This is used for various IPC messages, including plugins.
   gfx::NativeViewId GetNativeViewId() const;
 
-  // Retrieves an id for the surface that the renderer can draw to
-  // when accelerated compositing is enabled.
-  gfx::GLSurfaceHandle GetCompositingSurface();
-
   // ---------------------------------------------------------------------------
   // The following methods are overridden by RenderViewHost to send upwards to
   // its delegate.