Clean up unused constant globals

chrome/browser/ui/gtk/browser_titlebar.cc

 // 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.
 
 #include "chrome/browser/ui/gtk/browser_titlebar.h"
 
 #include <gdk/gdkkeysyms.h>
 #include <gtk/gtk.h>
 
 #include <string>
@@ skipping 60 matching lines @@
 const int kNormalVerticalOffset = kTitlebarHeight + kTabOuterThickness;
 
 // A linux specific menu item for toggling window decorations.
 const int kShowWindowDecorationsCommand = 200;
 
 const int kAvatarBottomSpacing = 1;
 // There are 2 px on each side of the avatar (between the frame border and
 // it on the left, and between it and the tabstrip on the right).
 const int kAvatarSideSpacing = 2;
 
-// The thickness of the custom frame border; we need it here to enlarge the
-// close button whent the custom frame border isn't showing but the custom
-// titlebar is showing.
-const int kFrameBorderThickness = 4;
-
 // There is a 4px gap between the icon and the title text.
 const int kIconTitleSpacing = 4;
 
 // Padding around the icon when in app mode or popup mode.
 const int kAppModePaddingTop = 5;
 const int kAppModePaddingBottom = 4;
 const int kAppModePaddingLeft = 2;
 
 // The left padding of the tab strip.  In Views, the tab strip has a left
 // margin of FrameBorderThickness + kClientEdgeThickness.  This offset is to
@@ skipping 1004 matching lines @@
     ui::SimpleMenuModel::Delegate* delegate)
     : SimpleMenuModel(delegate) {
   AddItemWithStringId(IDC_NEW_TAB, IDS_TAB_CXMENU_NEWTAB);
   AddItemWithStringId(IDC_RESTORE_TAB, IDS_RESTORE_TAB);
   AddSeparator(ui::NORMAL_SEPARATOR);
   AddItemWithStringId(IDC_TASK_MANAGER, IDS_TASK_MANAGER);
   AddSeparator(ui::NORMAL_SEPARATOR);
   AddCheckItemWithStringId(kShowWindowDecorationsCommand,
                            IDS_SHOW_WINDOW_DECORATIONS_MENU);
 }