FBTF: Remove unneeded headers from base/ (part 3)

chrome/browser/gtk/tabs/tab_gtk.cc

 // Copyright (c) 2010 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.
 
 #include "chrome/browser/gtk/tabs/tab_gtk.h"
 
 #include <gdk/gdkkeysyms.h>
 
 #include "app/gtk_dnd_util.h"
 #include "app/menus/accelerator_gtk.h"
-#include "base/keyboard_codes_posix.h"
 #include "base/singleton.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/app/chrome_dll_resource.h"
 #include "chrome/browser/gtk/accelerators_gtk.h"
 #include "chrome/browser/gtk/menu_gtk.h"
 #include "chrome/browser/tab_menu_model.h"
 #include "gfx/path.h"
 #include "grit/generated_resources.h"
 #include "grit/theme_resources.h"
 
@@ skipping 378 matching lines @@
     gdk_event_free(last_mouse_down_);
     last_mouse_down_ = NULL;
   }
 
   // Notify the drag helper that we're done with any potential drag operations.
   // Clean up the drag helper, which is re-created on the next mouse press.
   delegate_->EndDrag(canceled);
 
   observer_.reset();
 }