Update protobuf definitions for ChromeOS device policy support

chrome/browser/policy/cloud_policy_cache.cc

 // 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.
 
 #include "chrome/browser/policy/cloud_policy_cache.h"
 
 #include <limits>
 
 #include "base/file_util.h"
 #include "base/logging.h"
@@ skipping 293 matching lines @@
 }
 
 // static
 bool CloudPolicyCache::DecodePolicyResponse(
     const em::PolicyFetchResponse& policy_response,
     PolicyMap* mandatory,
     PolicyMap* recommended,
     base::Time* timestamp) {
   std::string data = policy_response.policy_data();
 
-  if (!VerifySignature(policy_response.policy_data_signature(), data,
-                       policy_response.certificate_chain())) {
-    LOG(WARNING) << "Failed to verify signature.";
-    return false;
-  }
-
   em::PolicyData policy_data;
   if (!policy_data.ParseFromString(data)) {
     LOG(WARNING) << "Failed to parse PolicyData protobuf.";
     return false;
   }
 
   // TODO(jkummerow): Verify policy_data.device_token(). Needs final
   // specification which token we're actually sending / expecting to get back.
 
   // TODO(jkummerow): Store policy_data.device_name(), if we decide to transfer
@@ skipping 129 matching lines @@
             CloudPolicyCache::DecodeValue(named_value->value());
         if (decoded_value)
           result->Set(named_value->name(), decoded_value);
       }
     }
   }
   return result;
 }
 
 }  // namespace policy