Implement WebFrameClient in RenderFrameImpl and proxy all calls to RenderView.

content/renderer/render_view_impl.cc

Index: content/renderer/render_view_impl.cc
diff --git a/content/renderer/render_view_impl.cc b/content/renderer/render_view_impl.cc
index 48314fd7820b21524aa9952b97d72d71f52640ca..6063a93691c56b3441ef4d9f2a50f8a5157352ff 100644
--- a/content/renderer/render_view_impl.cc
+++ b/content/renderer/render_view_impl.cc
@@ -882,7 +882,7 @@ void RenderViewImpl::Initialize(RenderViewImplParams* params) {
       ShouldUseTransitionCompositing(device_scale_factor_));
 
   webkit_glue::ApplyWebPreferences(webkit_preferences_, webview());
-  webview()->initializeMainFrame(this);
+  webview()->initializeMainFrame(main_render_frame_.get());
 
   if (switches::IsTouchDragDropEnabled())
     webview()->settings()->setTouchDragDropEnabled(true);
@@ -2249,7 +2249,7 @@ bool RenderViewImpl::enumerateChosenDirectory(
 
 void RenderViewImpl::initializeHelperPluginWebFrame(
     WebKit::WebHelperPlugin* plugin) {
-  plugin->initializeFrame(this);
+  plugin->initializeFrame(main_render_frame_.get());
 }
 
 void RenderViewImpl::didStartLoading() {