Adds the OAuthRequestSigner class to facilitate OAuth integration

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 346 matching lines @@
         'common/net/gaia/gaia_auth_consumer.cc',
         'common/net/gaia/gaia_auth_consumer.h',
         'common/net/gaia/gaia_auth_fetcher.cc',
         'common/net/gaia/gaia_auth_fetcher.h',
         'common/net/gaia/gaia_authenticator.cc',
         'common/net/gaia/gaia_authenticator.h',
         'common/net/gaia/gaia_oauth_client.cc',
         'common/net/gaia/gaia_oauth_client.h',
         'common/net/gaia/google_service_auth_error.cc',
         'common/net/gaia/google_service_auth_error.h',
+        'common/net/gaia/oauth_request_signer.cc',
+        'common/net/gaia/oauth_request_signer.h',
         'common/net/x509_certificate_model.cc',
         'common/net/x509_certificate_model_nss.cc',
         'common/net/x509_certificate_model_openssl.cc',
         'common/net/x509_certificate_model.h',
       ],
       'dependencies': [
         'chrome_resources',
         'chrome_strings',
         '../app/app.gyp:app_base',
         '../base/base.gyp:base',
@@ skipping 187 matching lines @@
           'configurations': {
             'Common_Base': {
               'msvs_target_platform': 'x64',
             },
           },
         },
       ],
     }],
   ],
 }