Implement WebFrameClient in RenderFrame and proxy all calls to RenderView (for now).

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 e4cc03d61f73fe94f8646b4cae9abedb7d3615c6..b6f4357959ea25e1d115580edc99897675bdf203 100644
--- a/content/renderer/render_view_impl.cc
+++ b/content/renderer/render_view_impl.cc
@@ -809,8 +809,9 @@ RenderViewImpl::RenderViewImpl(RenderViewImplParams* params)
 }
 
 void RenderViewImpl::Initialize(RenderViewImplParams* params) {
-  main_render_frame_.reset(new RenderFrameImpl(
-      this, params->main_frame_routing_id));
+  RenderFrameImpl* main_frame = RenderFrameImpl::Create(
+      this, params->main_frame_routing_id);
+  main_render_frame_.reset(main_frame);
 
 #if defined(ENABLE_PLUGINS)
   pepper_helper_.reset(new PepperPluginDelegateImpl(this));
@@ -886,7 +887,7 @@ 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);
@@ -2253,7 +2254,7 @@ bool RenderViewImpl::enumerateChosenDirectory(
 
 void RenderViewImpl::initializeHelperPluginWebFrame(
     WebKit::WebHelperPlugin* plugin) {
-  plugin->initializeFrame(this);
+  plugin->initializeFrame(main_render_frame_.get());
 }
 
 void RenderViewImpl::didStartLoading() {