ui/gfx: Create a new gfx switches file to put gfx specific switches there.

ui/ui.gyp

 # 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.
 
 {
   'variables': {
     'chromium_code': 1,
   },
   'includes': [
     'ui_resources.gypi',
@@ skipping 492 matching lines @@
         'gfx/size_conversions.cc',
         'gfx/size_conversions.h',
         'gfx/size_f.cc',
         'gfx/size_f.h',
         'gfx/skbitmap_operations.cc',
         'gfx/skbitmap_operations.h',
         'gfx/skia_util.cc',
         'gfx/skia_util.h',
         'gfx/skia_utils_gtk.cc',
         'gfx/skia_utils_gtk.h',
+        'gfx/switches.cc',
+        'gfx/switches.h',
         'gfx/sys_color_change_listener.cc',
         'gfx/sys_color_change_listener.h',
         'gfx/text_constants.h',
         'gfx/transform.cc',
         'gfx/transform.h',
         'gfx/transform_util.cc',
         'gfx/transform_util.h',
         'gfx/vector2d.cc',
         'gfx/vector2d.h',
         'gfx/vector2d_conversions.cc',
@@ skipping 372 matching lines @@
            },
            'dependencies': [
              '../base/base.gyp:base_java',
            ],
            'includes': [ '../build/java.gypi' ],
          },
        ],
     }],
   ],
 }