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

chrome/browser/gtk/browser_titlebar.h

Index: chrome/browser/gtk/browser_titlebar.h
===================================================================
--- chrome/browser/gtk/browser_titlebar.h	(revision 19526)
+++ chrome/browser/gtk/browser_titlebar.h	(working copy)
@@ -50,6 +50,9 @@
                                         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,
@@ -79,6 +82,9 @@
   // 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_;