3D Compositing in <browser>, first draft.

content/port/browser/render_widget_host_view_port.h

Index: content/port/browser/render_widget_host_view_port.h
diff --git a/content/port/browser/render_widget_host_view_port.h b/content/port/browser/render_widget_host_view_port.h
index 7cccc944ea37a4a1d683473aabb9de0b51dd584b..76f50a9c9de82b0e20119bf952dac3444a4bc6f2 100644
--- a/content/port/browser/render_widget_host_view_port.h
+++ b/content/port/browser/render_widget_host_view_port.h
@@ -215,14 +215,12 @@ class CONTENT_EXPORT RenderWidgetHostViewPort : public RenderWidgetHostView {
       TransportDIB::Handle transport_dib) = 0;
 #endif
 
-#if defined(USE_AURA)
   virtual void AcceleratedSurfaceNew(
       int32 width_in_pixel,
       int32 height_in_pixel,
       uint64* surface_id,
       TransportDIB::Handle* surface_handle) = 0;
   virtual void AcceleratedSurfaceRelease(uint64 surface_id) = 0;
-#endif
 
 #if defined(TOOLKIT_GTK)
   virtual void CreatePluginContainer(gfx::PluginWindowHandle id) = 0;
@@ -241,6 +239,7 @@ class CONTENT_EXPORT RenderWidgetHostViewPort : public RenderWidgetHostView {
 #endif
 
   virtual gfx::GLSurfaceHandle GetCompositingSurface() = 0;
+  virtual bool ResizeNeedsNewSurface() = 0;
 
   // Because the associated remote WebKit instance can asynchronously
   // prevent-default on a dispatched touch event, the touch events are queued in