Prepare for per frame did{Start,Stop}Loading calls

content/renderer/render_view_impl.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_RENDERER_RENDER_VIEW_IMPL_H_
 #define CONTENT_RENDERER_RENDER_VIEW_IMPL_H_
 
 #include <deque>
 #include <map>
 #include <set>
@@ skipping 398 matching lines @@
   virtual void didAddMessageToConsole(
       const blink::WebConsoleMessage& message,
       const blink::WebString& source_name,
       unsigned source_line,
       const blink::WebString& stack_trace);
   virtual void printPage(blink::WebFrame* frame);
   virtual blink::WebNotificationPresenter* notificationPresenter();
   virtual bool enumerateChosenDirectory(
       const blink::WebString& path,
       blink::WebFileChooserCompletion* chooser_completion);
+  // DEPRECATED
   virtual void didStartLoading(bool to_different_document);
   // DEPRECATED
-  virtual void didStartLoading();
   virtual void didStopLoading();
+  virtual void didStartLoading(blink::WebFrame* frame);
+  virtual void didStopLoading(blink::WebFrame* frame);
   virtual void didChangeLoadProgress(blink::WebFrame* frame,
                                      double load_progress);
   virtual void didCancelCompositionOnSelectionChange();
   virtual void didChangeSelection(bool is_selection_empty);
   virtual void didExecuteCommand(const blink::WebString& command_name);
   virtual bool handleCurrentKeyboardEvent();
   virtual blink::WebColorChooser* createColorChooser(
       blink::WebColorChooserClient*,
       const blink::WebColor& initial_color,
       const blink::WebVector<blink::WebColorSuggestion>& suggestions);
@@ skipping 715 matching lines @@
   // If a render view is set to the minimum size of its content, webkit may add
   // scroll bars.  This makes sense for fixed sized windows, but it does not
   // make sense when the size of the view was chosen to fit the content.
   // This setting ensures that no scroll bars are drawn.  The size limit exists
   // because if the view grows beyond a size known to the browser, scroll bars
   // should be drawn.
   gfx::Size disable_scrollbars_size_limit_;
 
   // Loading state -------------------------------------------------------------
 
-  // True if the top level frame is currently being loaded.
-  bool is_loading_;
-
   // The gesture that initiated the current navigation.
   NavigationGesture navigation_gesture_;
 
   // Used for popups.
   bool opened_by_user_gesture_;
 
   // Whether this RenderView was created by a frame that was suppressing its
   // opener. If so, we may want to load pages in a separate process.  See
   // decidePolicyForNavigation for details.
   bool opener_suppressed_;
@@ skipping 284 matching lines @@
   // use the Observer interface to filter IPC messages and receive frame change
   // notifications.
   // ---------------------------------------------------------------------------
 
   DISALLOW_COPY_AND_ASSIGN(RenderViewImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_RENDER_VIEW_IMPL_H_