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

content/child/webcrypto/jwk.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 "jwk.h"
 
 #include <algorithm>
 #include <functional>
 #include <map>
 
@@ skipping 247 matching lines @@
     return !algorithm->isNull();
   }
 
   bool IsInvalidKeyByteLength(size_t byte_length) const {
     if (required_key_length_bytes_ == NO_KEY_SIZE_REQUIREMENT)
       return false;
     return required_key_length_bytes_ != byte_length;
   }
 
  private:
-  enum { NO_KEY_SIZE_REQUIREMENT = UINT_MAX };
+  static const unsigned int NO_KEY_SIZE_REQUIREMENT = UINT_MAX;
 
   AlgorithmCreationFunc creation_func_;
 
   // The expected key size for the algorithm or NO_KEY_SIZE_REQUIREMENT.
   unsigned int required_key_length_bytes_;
 };
 
 typedef std::map<std::string, JwkAlgorithmInfo> JwkAlgorithmInfoMap;
 
 class JwkAlgorithmRegistry {
@@ skipping 730 matching lines @@
 
   std::string json;
   base::JSONWriter::Write(&jwk_dict, &json);
   buffer->assign(json.data(), json.data() + json.size());
   return Status::Success();
 }
 
 }  // namespace webcrypto
 
 }  // namespace content