Move crypto_helpers from sync to base

chrome/chrome_common.gypi

 # Copyright (c) 2011 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.
 
 {
   'target_defaults': {
     'variables': {
       'chrome_common_target': 0,
     },
     'target_conditions': [
@@ skipping 191 matching lines @@
         'common/jstemplate_builder.h',
         'common/launchd_mac.h',
         'common/launchd_mac.mm',
         'common/libxml_utils.cc',
         'common/libxml_utils.h',
         'common/native_window_notification_source.h',
         'common/persistent_pref_store.h',
         'common/pref_store.cc',
         'common/pref_store.h',
         'common/print_messages.h',
+        'common/random.cc',
+        'common/random.h',
         'common/remoting/chromoting_host_info.cc',
         'common/remoting/chromoting_host_info.h',
         'common/render_messages.cc',
         'common/render_messages.h',
         '<(protoc_out_dir)/chrome/common/safe_browsing/csd.pb.cc',
         '<(protoc_out_dir)/chrome/common/safe_browsing/csd.pb.h',
         'common/search_provider.h',
         'common/security_style.h',
         'common/service_messages.h',
         'common/service_process_util.cc',
@@ skipping 307 matching lines @@
           'configurations': {
             'Common_Base': {
               'msvs_target_platform': 'x64',
             },
           },
         },
       ],
     }],
   ],
 }