OOPIF: Stop using HistoryController and refactor UpdateState.

content/renderer/render_frame_impl.h

Index: content/renderer/render_frame_impl.h
diff --git a/content/renderer/render_frame_impl.h b/content/renderer/render_frame_impl.h
index b9feffa5f534137f7fdfe8fc2146ede67f572ad8..9e68ed7eaf3e1bb019fbf7e17be7f28667d935df 100644
--- a/content/renderer/render_frame_impl.h
+++ b/content/renderer/render_frame_impl.h
@@ -847,6 +847,9 @@ class CONTENT_EXPORT RenderFrameImpl
   void LoadDataURL(const CommonNavigationParams& params,
                    blink::WebFrame* frame);
 
+  // Sends the current frame's navigation state to the browser.
+  void SendUpdateState();
+
   // Sends a proper FrameHostMsg_DidFailProvisionalLoadWithError_Params IPC for
   // the failed request |request|.
   void SendFailedProvisionalLoad(const blink::WebURLRequest& request,
@@ -938,6 +941,10 @@ class CONTENT_EXPORT RenderFrameImpl
   // didCreateDataSource().
   scoped_ptr<NavigationParams> pending_navigation_params_;
 
+  // Stores the current history item for this frame, so that updates to it can
+  // be reported to the browser process via SendUpdateState.
+  blink::WebHistoryItem current_history_item_;
+
 #if defined(ENABLE_PLUGINS)
   // Current text input composition text. Empty if no composition is in
   // progress.