Introduce url::Origin to represent Web Origin.

url/url.gyp

 # Copyright 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,
   },
   'includes': [
     'url_srcs.gypi',
@@ skipping 30 matching lines @@
       'type': 'executable',
       'dependencies': [
         '../base/base.gyp:base_i18n',
         '../base/base.gyp:run_all_unittests',
         '../testing/gtest.gyp:gtest',
         '../third_party/icu/icu.gyp:icuuc',
         'url_lib',
       ],
       'sources': [
         'gurl_unittest.cc',
+        'origin_unittest.cc',
         'url_canon_unittest.cc',
         'url_parse_unittest.cc',
         'url_test_utils.h',
         'url_util_unittest.cc',
       ],
       'conditions': [
         ['os_posix==1 and OS!="mac" and OS!="ios" and linux_use_tcmalloc==1',
           {
             'dependencies': [
               '../base/allocator/allocator.gyp:allocator',
             ],
           }
         ],
       ],
       # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
       'msvs_disabled_warnings': [4267, ],
     },
   ],
 }