Move the content-dependent RecreateLayer logic from aura::Window to RWHVA

content/browser/renderer_host/render_widget_host_view_aura.h

Index: content/browser/renderer_host/render_widget_host_view_aura.h
diff --git a/content/browser/renderer_host/render_widget_host_view_aura.h b/content/browser/renderer_host/render_widget_host_view_aura.h
index 7170ed909473fed265435140df3e143b336461b1..bee07e2ec6f5b2871e55fddfc4384afd189fc3c3 100644
--- a/content/browser/renderer_host/render_widget_host_view_aura.h
+++ b/content/browser/renderer_host/render_widget_host_view_aura.h
@@ -298,7 +298,8 @@ class RenderWidgetHostViewAura
   virtual void OnWindowTargetVisibilityChanged(bool visible) OVERRIDE;
   virtual bool HasHitTestMask() const OVERRIDE;
   virtual void GetHitTestMask(gfx::Path* mask) const OVERRIDE;
-  virtual scoped_refptr<ui::Texture> CopyTexture() OVERRIDE;
+  virtual void DidRecreateLayer(ui::Layer *old_layer,
+                                ui::Layer *new_layer) OVERRIDE;
 
   // Overridden from ui::EventHandler:
   virtual void OnKeyEvent(ui::KeyEvent* event) OVERRIDE;