Avoid stale navigation requests without excessive page id knowledge in the renderer process.

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 ed2d69879937c8f884fc67ae7a076421b7642425..f4822656b6531f9ffe74d2c7636f8afe2f882d40 100644
--- a/content/renderer/render_frame_impl.h
+++ b/content/renderer/render_frame_impl.h
@@ -654,13 +654,11 @@ class CONTENT_EXPORT RenderFrameImpl
   virtual scoped_ptr<MediaStreamRendererFactory> CreateRendererFactory();
 
   // Checks that the RenderView is ready to display the navigation to |url|. If
-  // the return value is false, the navigation should be abandonned.
+  // the return value is false, the navigation should be abandoned.
   bool PrepareRenderViewForNavigation(
       const GURL& url,
       FrameMsg_Navigate_Type::Value navigate_type,
       const PageState& state,
-      bool check_history,
-      int pending_history_list_offset,
       int32 page_id,
       bool* is_reload,
       blink::WebURLRequest::CachePolicy* cache_policy);