Add the ubercomp DelegatedRendererLayer.

webkit/compositor_bindings/web_compositor_support_impl.cc

Index: webkit/compositor_bindings/web_compositor_support_impl.cc
diff --git a/webkit/compositor_bindings/web_compositor_support_impl.cc b/webkit/compositor_bindings/web_compositor_support_impl.cc
index c66c3deb17b1cc18895c4a421a5b58651fedeac2..9c7a1fa97d7960f0fbd8b2f255e9b757c8d7424d 100644
--- a/webkit/compositor_bindings/web_compositor_support_impl.cc
+++ b/webkit/compositor_bindings/web_compositor_support_impl.cc
@@ -11,6 +11,7 @@
 #include "webkit/compositor_bindings/WebLayerTreeViewImpl.h"
 #include "webkit/compositor_bindings/WebCompositorImpl.h"
 #include "webkit/compositor_bindings/WebContentLayerImpl.h"
+#include "webkit/compositor_bindings/WebDelegatedRendererLayerImpl.h"
 #include "webkit/compositor_bindings/WebExternalTextureLayerImpl.h"
 #include "webkit/compositor_bindings/WebIOSurfaceLayerImpl.h"
 #include "webkit/compositor_bindings/WebSolidColorLayerImpl.h"
@@ -39,6 +40,7 @@ using WebKit::WebAnimation;
 using WebKit::WebAnimationCurve;
 using WebKit::WebContentLayer;
 using WebKit::WebContentLayerClient;
+using WebKit::WebDelegatedRendererLayer;
 using WebKit::WebExternalTextureLayer;
 using WebKit::WebExternalTextureLayerClient;
 using WebKit::WebFloatAnimationCurve;
@@ -152,6 +154,11 @@ WebContentLayer* WebCompositorSupportImpl::createContentLayer(
 #endif
 }
 
+WebDelegatedRendererLayer*
+    WebCompositorSupportImpl::createDelegatedRendererLayer() {
+  return new WebKit::WebDelegatedRendererLayerImpl();
+}
+
 WebExternalTextureLayer* WebCompositorSupportImpl::createExternalTextureLayer(
     WebExternalTextureLayerClient* client) {
 #if defined(USE_LIBCC_FOR_COMPOSITOR)