Fixes for re-enabling more MSVC level 4 warnings: content/browser/ edition

content/browser/appcache/view_appcache_internals_job.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 "content/browser/appcache/view_appcache_internals_job.h"
 
 #include <algorithm>
 #include <string>
 
 #include "base/base64.h"
@@ skipping 634 matching lines @@
 
   if (command == kRemoveCacheCommand)
     return new RemoveAppCacheJob(request, network_delegate, service,
                                  DecodeBase64URL(param));
 
   if (command == kViewCacheCommand)
     return new ViewAppCacheJob(request, network_delegate, service,
                                DecodeBase64URL(param));
 
   std::vector<std::string> tokens;
-  int64 response_id;
-  int64 group_id;
+  int64 response_id = 0;
+  int64 group_id = 0;
   if (command == kViewEntryCommand && Tokenize(param, "|", &tokens) == 4u &&
       base::StringToInt64(tokens[2], &response_id) &&
       base::StringToInt64(tokens[3], &group_id)) {
     return new ViewEntryJob(request, network_delegate, service,
                             DecodeBase64URL(tokens[0]),  // manifest url
                             DecodeBase64URL(tokens[1]),  // entry url
                             response_id, group_id);
   }
 
   return new RedirectToMainPageJob(request, network_delegate, service);
 }
 
 }  // namespace content