Make tabstrip flush with top of titlebar when custom frame is enabled and bro...

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 32 matching lines @@
   // 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);
 
+  // Update the titlebar spacing based on the custom frame and maximized state.
+  void UpdateTitlebarAlignment();
+
   // 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 -----------------------------------------------------------
 
   // 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.
   GtkWidget* container_;
   // Box that holds the min/max/close buttons if the user turns off window
   // manager decorations.
   GtkWidget* titlebar_buttons_box_;
   // Gtk alignment that contains the tab strip.  If the user turns off window
   // manager decorations, we draw this taller.
   GtkWidget* titlebar_alignment_;
 
+  // Whether we are using a custom frame.
+  bool using_custom_frame_;
+
   // Maximize and restore widgets in the titlebar.
   scoped_ptr<CustomDrawButton> minimize_button_;
   scoped_ptr<CustomDrawButton> maximize_button_;
   scoped_ptr<CustomDrawButton> restore_button_;
   scoped_ptr<CustomDrawButton> close_button_;
 
   // The context menu.
   scoped_ptr<MenuGtk> context_menu_;
 };
 
 #endif  // CHROME_BROWSER_GTK_BROWSER_TITLEBAR_H_