Move LoadProgressTracker to the browser process.

content/browser/frame_host/render_frame_host_impl.h

Index: content/browser/frame_host/render_frame_host_impl.h
diff --git a/content/browser/frame_host/render_frame_host_impl.h b/content/browser/frame_host/render_frame_host_impl.h
index a1d175b5a513d785c2cb81749c44b456f07f8c3c..aa7fe2155c8906fdf6aae822e0734f266f145e71 100644
--- a/content/browser/frame_host/render_frame_host_impl.h
+++ b/content/browser/frame_host/render_frame_host_impl.h
@@ -126,12 +126,6 @@ class CONTENT_EXPORT RenderFrameHostImpl : public RenderFrameHost {
   // when the SwapOutACK is received.
   void SetPendingShutdown(const base::Closure& on_swap_out);
 
-  // TODO(nasko): This method is public so RenderViewHostImpl::Navigate can
-  // call it directly. It should be made private once Navigate moves here.
-  // |to_different_document| will be true unless the load is a fragment
-  // navigation, or triggered by history.pushState/replaceState.
-  void OnDidStartLoading(bool to_different_document);
-
   // Sends the given navigation message. Use this rather than sending it
   // yourself since this does the internal bookkeeping described below. This
   // function takes ownership of the provided message pointer.
@@ -201,7 +195,6 @@ class CONTENT_EXPORT RenderFrameHostImpl : public RenderFrameHost {
                                     const GURL& source_url,
                                     const GURL& target_url);
   void OnNavigate(const IPC::Message& msg);
-  void OnDidStopLoading();
   void OnBeforeUnloadACK(
       bool proceed,
       const base::TimeTicks& renderer_before_unload_start_time,