Switch the page-capturing machinery to use the new hooks.

content/renderer/render_frame_impl.cc

Index: content/renderer/render_frame_impl.cc
diff --git a/content/renderer/render_frame_impl.cc b/content/renderer/render_frame_impl.cc
index 75f62d9632dd49dd09474aee8c90679a7af35885..78037410b479712409323a9bbbeb103f072a906f 100644
--- a/content/renderer/render_frame_impl.cc
+++ b/content/renderer/render_frame_impl.cc
@@ -1857,6 +1857,12 @@ void RenderFrameImpl::LoadNavigationErrorPage(
                          replace);
 }
 
+void RenderFrameImpl::DidMeaningfulLayout(
+    blink::WebMeaningfulLayout layout_type) {
+  FOR_EACH_OBSERVER(RenderFrameObserver, observers_,
+                    DidMeaningfulLayout(layout_type));
+}
+
 void RenderFrameImpl::DidCommitCompositorFrame() {
   if (BrowserPluginManager::Get())
     BrowserPluginManager::Get()->DidCommitCompositorFrame(GetRoutingID());