Correct const accessors in base/values.(h|cc)

chrome/common/net/gaia/oauth2_mint_token_flow.cc

 // Copyright (c) 2012 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/common/net/gaia/oauth2_mint_token_flow.h"
 
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
@@ skipping 209 matching lines @@
   CHECK(access_token);
   return dict->GetString(kAccessTokenKey, access_token);
 }
 
 // static
 bool OAuth2MintTokenFlow::ParseIssueAdviceResponse(
     const base::DictionaryValue* dict, IssueAdviceInfo* issue_advice) {
   CHECK(dict);
   CHECK(issue_advice);
 
-  base::DictionaryValue* consent_dict = NULL;
+  const base::DictionaryValue* consent_dict = NULL;
   if (!dict->GetDictionary(kConsentKey, &consent_dict))
     return false;
 
-  base::ListValue* scopes_list = NULL;
+  const base::ListValue* scopes_list = NULL;
   if (!consent_dict->GetList(kScopesKey, &scopes_list))
     return false;
 
   bool success = true;
   for (size_t index = 0; index < scopes_list->GetSize(); ++index) {
     base::DictionaryValue* scopes_entry = NULL;
     IssueAdviceInfoEntry entry;
     string16 detail;
     if (!scopes_list->GetDictionary(index, &scopes_entry) ||
         !scopes_entry->GetString(kDescriptionKey, &entry.description) ||
         !scopes_entry->GetString(kDetailKey, &detail)) {
       success = false;
       break;
     }
 
     TrimWhitespace(entry.description, TRIM_ALL, &entry.description);
     static const string16 detail_separators = ASCIIToUTF16(kDetailSeparators);
     Tokenize(detail, detail_separators, &entry.details);
     for (size_t i = 0; i < entry.details.size(); i++)
       TrimWhitespace(entry.details[i], TRIM_ALL, &entry.details[i]);
     issue_advice->push_back(entry);
   }
 
   if (!success)
     issue_advice->clear();
 
   return success;
 }