Add RenderViewHost* to DidStartLoading and DidStopLoading in

content/browser/renderer_host/render_view_host_delegate.h

Index: content/browser/renderer_host/render_view_host_delegate.h
===================================================================
--- content/browser/renderer_host/render_view_host_delegate.h	(revision 147723)
+++ content/browser/renderer_host/render_view_host_delegate.h	(working copy)
@@ -201,11 +201,11 @@
 
   // The RenderView began loading a new page. This corresponds to WebKit's
   // notion of the throbber starting.
-  virtual void DidStartLoading() {}
+  virtual void DidStartLoading(RenderViewHost* render_view_host) {}
 
   // The RenderView stopped loading a page. This corresponds to WebKit's
   // notion of the throbber stopping.
-  virtual void DidStopLoading() {}
+  virtual void DidStopLoading(RenderViewHost* render_view_host) {}
 
   // The pending page load was canceled.
   virtual void DidCancelLoading() {}