Added new policy Schema classes.

components/components_tests.gypi

 # 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.
 
 {
   'conditions': [
     ['OS != "ios"', {
       'targets': [
         {
           'target_name': 'components_unittests',
@@ skipping 94 matching lines @@
             'dependencies': [
                 '<(DEPTH)/base/allocator/allocator.gyp:allocator',
             ],
             'link_settings': {
                 'ldflags': ['-rdynamic'],
             },
             }],
             ['configuration_policy==1', {
               'sources': [
                 'policy/core/common/policy_schema_unittest.cc',
+                'policy/core/common/schema_unittest.cc',
               ],
             }],
           ],
           # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
           'msvs_disabled_warnings': [4267, ],
         },
         {
           'target_name': 'components_perftests',
           'type': '<(gtest_target_type)',
           'dependencies': [
@@ skipping 35 matching lines @@
                 'input_shlib_path': '<(SHARED_LIB_DIR)/<(SHARED_LIB_PREFIX)components_unittests<(SHARED_LIB_SUFFIX)',
               },
               'includes': [ '../build/apk_test.gypi' ],
             },
           ],
         }],
       ],
     }],
   ],
 }