More html_viewer OOPIF changes

mandoline/tab/frame_tree.h

 // Copyright 2015 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 MANDOLINE_TAB_FRAME_TREE_H_
 #define MANDOLINE_TAB_FRAME_TREE_H_
 
 #include "mandoline/tab/frame.h"
 
 namespace mandoline {
 
 class FrameTreeClient;
 class FrameTreeDelegate;
 class FrameUserData;
 
 // FrameTree manages the set of Frames that comprise a single url. FrameTree
-// owns the root Frame and each Frames owns its children. Frames are
+// owns the root Frame and each Frame owns its children. Frames are
 // automatically deleted and removed from the tree if the corresponding view is
 // deleted. This happens if the creator of the view deletes it (say an iframe is
 // destroyed).
 class FrameTree {
  public:
   // |view| is the view to do the initial embedding in. It is assumed |view|
   // outlives FrameTree.
   FrameTree(mojo::View* view,
             FrameTreeDelegate* delegate,
             FrameTreeClient* root_client,
@@ skipping 14 matching lines @@
   Frame* CreateOrReplaceFrame(Frame* frame,
                               mojo::View* view,
                               FrameTreeClient* frame_tree_client,
                               scoped_ptr<FrameUserData> user_data);
 
  private:
   friend class Frame;
 
   void LoadingStateChanged();
   void ProgressChanged();
+  void FrameNameChanged(Frame* frame);
 
   mojo::View* view_;
 
   FrameTreeDelegate* delegate_;
 
   Frame root_;
 
   double progress_;
 
   DISALLOW_COPY_AND_ASSIGN(FrameTree);
 };
 
 }  // namespace mandoline
 
 #endif  // MANDOLINE_TAB_FRAME_TREE_H_