Introduce some util code for drawing vector assets.

ui/gfx/gfx.gyp

 # Copyright (c) 2013 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,
   },
   'targets': [
     {
@@ skipping 279 matching lines @@
         'text_utils_android.cc',
         'text_utils_ios.mm',
         'text_utils_skia.cc',
         'transform.cc',
         'transform.h',
         'transform_util.cc',
         'transform_util.h',
         'ui_gfx_exports.cc',
         'utf16_indexing.cc',
         'utf16_indexing.h',
+        'vector_icons.cc',
+        'vector_icons.h',
         'vsync_provider.h',
         'win/direct_write.cc',
         'win/direct_write.h',
         'win/dpi.cc',
         'win/dpi.h',
         'win/hwnd_util.cc',
         'win/hwnd_util.h',
         'win/scoped_set_map_mode.h',
         'win/singleton_hwnd.cc',
         'win/singleton_hwnd.h',
@@ skipping 87 matching lines @@
         }],
         ['OS=="android" or OS=="ios"', {
           'sources!': [
             'harfbuzz_font_skia.cc',
             'harfbuzz_font_skia.h',
             'render_text.cc',
             'render_text.h',
             'render_text_harfbuzz.cc',
             'render_text_harfbuzz.h',
             'text_utils_skia.cc',
+            'vector_icons.cc',
+            'vector_icons.h',
           ],
         }],
         ['use_x11==1', {
           'dependencies': [
             '../../build/linux/system.gyp:x11',
             'x/gfx_x11.gyp:gfx_x11',
           ],
         }],
         ['use_cairo==1', {
           'dependencies': [
@@ skipping 72 matching lines @@
          ],
          'variables': {
            'jni_gen_package': 'ui/gfx',
          },
          'includes': [ '../../build/jni_generator.gypi' ],
        },
      ],
     }],
   ],
 }