Plumb CompositedDisplayList to WebViewImpl

Source/web/ChromeClientImpl.cpp

Index: Source/web/ChromeClientImpl.cpp
diff --git a/Source/web/ChromeClientImpl.cpp b/Source/web/ChromeClientImpl.cpp
index 6dcd9436c0ca1f8e8446fc202039189bcb3fccad..7f94b2dcb0b6ea8e2ed9b82f97cb8f0a9de1152a 100644
--- a/Source/web/ChromeClientImpl.cpp
+++ b/Source/web/ChromeClientImpl.cpp
@@ -721,6 +721,18 @@ void ChromeClientImpl::attachRootGraphicsLayer(GraphicsLayer* rootLayer, LocalFr
     }
 }
 
+void ChromeClientImpl::setCompositedDisplayList(PassOwnPtr<CompositedDisplayList> compositedDisplayList)
+{
+    m_webView->setCompositedDisplayList(compositedDisplayList);
+}
+
+CompositedDisplayList* ChromeClientImpl::compositedDisplayListForTesting()
+{
+    if (WebCompositedDisplayList* compositedDisplayList = m_webView->compositedDisplayList())
+        return compositedDisplayList->compositedDisplayListForTesting();
+    return nullptr;
+}
+
 void ChromeClientImpl::attachCompositorAnimationTimeline(WebCompositorAnimationTimeline* compositorTimeline, LocalFrame* localRoot)
 {
     // FIXME: For top-level frames we still use the WebView as a WebWidget. This