Move JSON schema validator code into its own directory in chrome/common

chrome/chrome_common.gypi

 # 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.
 
 {
   'targets': [
     {
       'target_name': 'common',
       'type': 'static_library',
       'variables': {
@@ skipping 267 matching lines @@
         'common/extensions/value_counter.cc',
         'common/extensions/value_counter.h',
         'common/extensions/web_accessible_resources_handler.cc',
         'common/extensions/web_accessible_resources_handler.h',
         'common/external_ipc_fuzzer.h',
         'common/external_ipc_fuzzer.cc',
         'common/icon_with_badge_image_source.cc',
         'common/icon_with_badge_image_source.h',
         'common/instant_types.cc',
         'common/instant_types.h',
-        'common/json_schema_constants.cc',
-        'common/json_schema_constants.h',
-        'common/json_schema_validator.cc',
-        'common/json_schema_validator.h',
+        'common/json_schema/json_schema_constants.cc',
+        'common/json_schema/json_schema_constants.h',
+        'common/json_schema/json_schema_validator.cc',
+        'common/json_schema/json_schema_validator.h',
         'common/localized_error.cc',
         'common/localized_error.h',
         'common/logging_chrome.cc',
         'common/logging_chrome.h',
         'common/mac/app_mode_common.h',
         'common/mac/app_mode_common.mm',
         'common/mac/cfbundle_blocker.h',
         'common/mac/cfbundle_blocker.mm',
         'common/mac/launchd.h',
         'common/mac/launchd.mm',
@@ skipping 407 matching lines @@
         'common/metrics/proto/user_action_event.proto',
       ],
       'variables': {
         'proto_in_dir': 'common/metrics/proto',
         'proto_out_dir': 'chrome/common/metrics/proto',
       },
       'includes': [ '../build/protoc.gypi' ],
     },
   ],
 }