Mac: make save/open dialogs operate as tab-modal sheets....

chrome/browser/browser.h

 // Copyright (c) 2006-2009 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_BROWSER_H_
 #define CHROME_BROWSER_BROWSER_H_
 
 #include <map>
 #include <set>
 #include <vector>
@@ skipping 497 matching lines @@
                               bool user_gesture);
   virtual void ActivateContents(TabContents* contents);
   virtual void LoadingStateChanged(TabContents* source);
   virtual void CloseContents(TabContents* source);
   virtual void MoveContents(TabContents* source, const gfx::Rect& pos);
   virtual void DetachContents(TabContents* source);
   virtual bool IsPopup(TabContents* source);
   virtual void ToolbarSizeChanged(TabContents* source, bool is_animating);
   virtual void URLStarredChanged(TabContents* source, bool starred);
   virtual void UpdateTargetURL(TabContents* source, const GURL& url);
+  virtual void ChildWindowsChanged(TabContents* source);
   virtual void ContentsMouseEvent(TabContents* source, bool motion);
   virtual void ContentsZoomChange(bool zoom_in);
   virtual void TabContentsFocused(TabContents* tab_content);
   virtual bool TakeFocus(bool reverse);
   virtual bool IsApplication() const;
   virtual void ConvertContentsToApplication(TabContents* source);
   virtual bool ShouldDisplayURLField();
   virtual gfx::Rect GetRootWindowResizerRect() const;
   virtual void ShowHtmlDialog(HtmlDialogUIDelegate* delegate,
                               gfx::NativeWindow parent_window);
@@ skipping 267 matching lines @@
   // Dialog box used for opening and saving files.
   scoped_refptr<SelectFileDialog> select_file_dialog_;
 
   // Keep track of the encoding auto detect pref.
   BooleanPrefMember encoding_auto_detect_;
 
   DISALLOW_COPY_AND_ASSIGN(Browser);
 };
 
 #endif  // CHROME_BROWSER_BROWSER_H_