RenderFrame: flesh out Observer

content/public/renderer/render_frame_observer.h

Index: content/public/renderer/render_frame_observer.h
diff --git a/content/public/renderer/render_frame_observer.h b/content/public/renderer/render_frame_observer.h
index e2b27f4099160e630a1c721aad4200eac4963e61..93a83ac236663cfef9b4dff098210aa09ecb0c73 100644
--- a/content/public/renderer/render_frame_observer.h
+++ b/content/public/renderer/render_frame_observer.h
@@ -13,6 +13,7 @@
 
 namespace blink {
 class WebFrame;
+class WebURLError;
 }
 
 namespace content {
@@ -34,8 +35,10 @@ class CONTENT_EXPORT RenderFrameObserver : public IPC::Listener,
   virtual void DidCreatePepperPlugin(RendererPpapiHost* host) {}
 
   // These match the Blink API notifications
-  virtual void DidCommitProvisionalLoad(blink::WebFrame* frame,
-                                        bool is_new_navigation) {}
+  virtual void DidCommitProvisionalLoad(bool is_new_navigation) {}
+  virtual void DidStartProvisionalLoad() { }

[jam, 2014/01/22 03:15:35]

nit: no space inside brackets, also below

+  virtual void DidFailProvisionalLoad(const blink::WebURLError& error) { }
+  virtual void DidFinishLoad() { }
 
   // IPC::Listener implementation.
   virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;