Make the views bookmark bubble work on GTK....

chrome/browser/views/bookmark_bubble_view.h

 // Copyright (c) 2006-2008 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 CHROME_BROWSER_VIEWS_BOOKMARK_BUBBLE_VIEW_H_
 #define CHROME_BROWSER_VIEWS_BOOKMARK_BUBBLE_VIEW_H_
 
 #include "app/combobox_model.h"
 #include "base/gfx/rect.h"
 #include "chrome/browser/views/info_bubble.h"
@@ skipping 39 matching lines @@
   // Overriden to force a layout.
   virtual void DidChangeBounds(const gfx::Rect& previous,
                                const gfx::Rect& current);
 
   // Invoked after the bubble has been shown.
   virtual void BubbleShown();
 
   // Override to close on return.
   virtual bool AcceleratorPressed(const views::Accelerator& accelerator);
 
+  virtual void ViewHierarchyChanged(bool is_add, View* parent, View* child);
+
  private:
   // Model for the combobox showing the list of folders to choose from. The
   // list always contains the bookmark bar, other node and parent. The list
   // also contains an extra item that shows the text 'Choose another folder...'.
   class RecentlyUsedFoldersModel : public ComboboxModel {
    public:
     RecentlyUsedFoldersModel(BookmarkModel* bb_model, const BookmarkNode* node);
 
     // Combobox::Model methods. Call through to nodes_.
     virtual int GetItemCount();
@@ skipping 96 matching lines @@
   // When the destructor is invoked should the bookmark be removed?
   bool remove_bookmark_;
 
   // When the destructor is invoked should edits be applied?
   bool apply_edits_;
 
   DISALLOW_COPY_AND_ASSIGN(BookmarkBubbleView);
 };
 
 #endif  // CHROME_BROWSER_VIEWS_BOOKMARK_BUBBLE_VIEW_H_