ImageLayerDelegate 64 content/browser/web_contents/aura/overscroll_navigation_overlay.cc DISALLOW_COPY_AND_ASSIGN(ImageLayerDelegate); ImageLayerDelegate 196 content/browser/web_contents/aura/overscroll_navigation_overlay.cc layer_delegate_.reset(new ImageLayerDelegate()); ImageLayerDelegate 18 content/browser/web_contents/aura/overscroll_navigation_overlay.h class ImageLayerDelegate; ImageLayerDelegate 123 content/browser/web_contents/aura/overscroll_navigation_overlay.h scoped_ptr<ImageLayerDelegate> layer_delegate_;