2 files changed, 3 insertions, 0 deletions
diff --git a/webkit/renderer/compositor_bindings/web_content_layer_impl.cc b/webkit/renderer/compositor_bindings/web_content_layer_impl.cc
index 9ae09fe..95a4b7f 100644
--- a/webkit/renderer/compositor_bindings/web_content_layer_impl.cc
+++ b/webkit/renderer/compositor_bindings/web_content_layer_impl.cc
@@ -82,4 +82,6 @@ void WebContentLayerImpl::DidChangeLayerCanUseLCDText() {
   layer_->invalidate();
 }
 
+bool WebContentLayerImpl::FillsBoundsCompletely() const { return false; }
+
 }  // namespace webkit
diff --git a/webkit/renderer/compositor_bindings/web_content_layer_impl.h b/webkit/renderer/compositor_bindings/web_content_layer_impl.h
index 5ff88a3..a6bb7d2 100644
--- a/webkit/renderer/compositor_bindings/web_content_layer_impl.h
+++ b/webkit/renderer/compositor_bindings/web_content_layer_impl.h
@@ -40,6 +40,7 @@ class WebContentLayerImpl : public blink::WebContentLayer,
                              const gfx::Rect& clip,
                              gfx::RectF* opaque) OVERRIDE;
   virtual void DidChangeLayerCanUseLCDText() OVERRIDE;
+  virtual bool FillsBoundsCompletely() const OVERRIDE;
 
   scoped_ptr<WebLayerImpl> layer_;
   blink::WebContentLayerClient* client_;