Refactors building the system menu model into a common place

chrome/browser/ui/browser.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 CHROME_BROWSER_UI_BROWSER_H_
 #define CHROME_BROWSER_UI_BROWSER_H_
 
 #include <map>
 #include <set>
 #include <string>
@@ skipping 875 matching lines @@
   // These are supplied by callers that don't want to use the default values.
   // The default values are typically loaded from local state (last session),
   // obtained from the last window of the same type, or obtained from the
   // shell shortcut's startup info.
   gfx::Rect override_bounds_;
   ui::WindowShowState initial_show_state_;
 
   // Tracks when this browser is being created by session restore.
   bool is_session_restore_;
 
-  chrome::HostDesktopType host_desktop_type_;
+  const chrome::HostDesktopType host_desktop_type_;
 
   scoped_ptr<chrome::UnloadController> unload_controller_;
 
   // The following factory is used to close the frame at a later time.
   base::WeakPtrFactory<Browser> weak_factory_;
 
   // The Find Bar. This may be NULL if there is no Find Bar, and if it is
   // non-NULL, it may or may not be visible.
   scoped_ptr<FindBarController> find_bar_controller_;
 
@@ skipping 39 matching lines @@
   bool window_has_shown_;
 
   // Currently open color chooser. Non-NULL after OpenColorChooser is called and
   // before DidEndColorChooser is called.
   scoped_ptr<content::ColorChooser> color_chooser_;
 
   DISALLOW_COPY_AND_ASSIGN(Browser);
 };
 
 #endif  // CHROME_BROWSER_UI_BROWSER_H_