Add the ability to resize the window when over the custom frame.

chrome/browser/gtk/browser_titlebar.h

 // Copyright (c) 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.
 //
 // A helper class that contains the gtk widgets that make up the titlebar.  The
 // titlebar consists of the tabstrip and if the custom chrome frame is turned
 // on, it includes the taller titlebar and minimize, restore, maximize, and
 // close buttons.
 
 #ifndef CHROME_BROWSER_GTK_BROWSER_TITLEBAR_H_
@@ skipping 16 matching lines @@
 
   GtkWidget* widget() {
     return container_;
   }
 
   // Update the appearance of the title bar based on whether we're showing a
   // custom frame or not.  If |use_custom_frame| is true, we show an extra
   // tall titlebar and the min/max/close buttons.
   void UpdateCustomFrame(bool use_custom_frame);
 
+  // On Windows, right clicking in the titlebar background brings up the system
+  // menu.  There's no such thing on linux, so we just show the menu items we
+  // add to the menu.
+  void ShowContextMenu();
+
  private:
   // Build the titlebar, the space above the tab
   // strip, and (maybe) the min, max, close buttons.  |container| is the gtk
   // continer that we put the widget into.
   void Init();
 
   // Constructs a CustomDraw button given 3 image ids (IDR_), the box to place
   // the button into, and a tooltip id (IDS_).
   CustomDrawButton* BuildTitlebarButton(int image, int image_pressed,
                                         int image_hot, GtkWidget* box,
                                         int tooltip);
 
   // Callback for when the titlebar (include the background of the tab strip)
   // needs to be redrawn.
   static gboolean OnExpose(GtkWidget* widget, GdkEventExpose* e,
                            BrowserTitlebar* window);
 
-  // Callback for when the titlebar (include the background of the tab strip)
-  // needs to be redrawn.
-  static gboolean OnMouseButtonPress(GtkWidget* widget, GdkEventButton* e,
-                                     BrowserTitlebar* window);
-
   // Callback for changes to window state.  This includes
   // maximizing/restoring/minimizing the window.
   static gboolean OnWindowStateChanged(GtkWindow* window,
                                        GdkEventWindowState* event,
                                        BrowserTitlebar* titlebar);
 
   // Callback for min/max/close buttons.
   static void OnButtonClicked(GtkWidget* button, BrowserTitlebar* window);
 
   // -- Context Menu -----------------------------------------------------------
 
-  // On Windows, right clicking in the titlebar background brings up the system
-  // menu.  There's no such thing on linux, so we just show the menu items we
-  // add to the menu.
-  void ShowContextMenu();
   // MenuGtk::Delegate implementation:
   virtual bool IsCommandEnabled(int command_id) const;
   virtual bool IsItemChecked(int command_id) const;
   virtual void ExecuteCommand(int command_id);
 
   // Pointers to the browser window that owns us and it's GtkWindow.
   BrowserWindowGtk* browser_window_;
   GtkWindow* window_;
 
   // The container widget the holds the whole titlebar.
@@ skipping 13 matching lines @@
 
   // The background of the title bar and tab strip.
   scoped_ptr<NineBox> titlebar_background_;
   scoped_ptr<NineBox> titlebar_background_otr_;
 
   // The context menu.
   scoped_ptr<MenuGtk> context_menu_;
 };
 
 #endif  // CHROME_BROWSER_GTK_BROWSER_TITLEBAR_H_