Disable module integrity verifier for 64-bit builds.

chrome/browser/safe_browsing/incident_reporting/environment_data_collection_win.cc

 // Copyright 2014 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/safe_browsing/incident_reporting/environment_data_collection_win.h"
 
 #include <windows.h>
 #include <set>
 #include <string>
 
@@ skipping 111 matching lines @@
     base::FilePath dll_name(iter.Value());
     path_sanitizer.StripHomeDirectory(&dll_name);
     process->add_blacklisted_dll(dll_name.AsUTF8Unsafe());
   }
 }
 
 void CollectModuleVerificationData(
     const wchar_t* const modules_to_verify[],
     size_t num_modules_to_verify,
     ClientIncidentReport_EnvironmentData_Process* process) {
+#if !defined(_WIN64)
   for (size_t i = 0; i < num_modules_to_verify; ++i) {
     scoped_ptr<ClientIncidentReport_EnvironmentData_Process_ModuleState>
         module_state(
             new ClientIncidentReport_EnvironmentData_Process_ModuleState());
 
     VerificationResult result = NewVerifyModule(modules_to_verify[i],
                                                 module_state.get());
 
     std::set<std::string> modified_exports;
     int num_bytes = 0;
@@ skipping 42 matching lines @@
     module_state->set_modified_state(static_cast<
         ClientIncidentReport_EnvironmentData_Process_ModuleState_ModifiedState>(
         modified + 1));
     for (std::set<std::string>::iterator it = modified_exports.begin();
          it != modified_exports.end();
          ++it) {
       module_state->add_modified_export(*it);
     }
     process->mutable_module_state()->AddAllocated(module_state.release());
   }
+#endif  // _WIN64
 }
 
 void CollectPlatformProcessData(
     ClientIncidentReport_EnvironmentData_Process* process) {
   CollectDlls(process);
   RecordLspFeature(process);
   CollectDllBlacklistData(process);
   CollectModuleVerificationData(
       kModulesToVerify, arraysize(kModulesToVerify), process);
 }
 
 }  // namespace safe_browsing