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

chrome/browser/chromeos/gdata/gdata_wapi_parser.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/browser/chromeos/gdata/gdata_wapi_parser.h"
 
 #include <algorithm>
 
 #include "base/basictypes.h"
 #include "base/file_path.h"
@@ skipping 678 matching lines @@
       kind_ = GetEntryKindFromTerm(category->term());
     else if (category->type() == Category::LABEL)
       labels_.push_back(category->label());
   }
 }
 
 // static
 DocumentEntry* DocumentEntry::ExtractAndParse(
     const base::Value& value) {
   const base::DictionaryValue* as_dict = NULL;
-  base::DictionaryValue* entry_dict = NULL;
+  const base::DictionaryValue* entry_dict = NULL;
   if (value.GetAsDictionary(&as_dict) &&
       as_dict->GetDictionary(kEntryField, &entry_dict)) {
     return DocumentEntry::CreateFrom(*entry_dict);
   }
   return NULL;
 }
 
 // static
 DocumentEntry* DocumentEntry::CreateFrom(const base::Value& value) {
   base::JSONValueConverter<DocumentEntry> converter;
@@ skipping 142 matching lines @@
     entry->FillRemainingFields();
     ++iter;
   }
   return true;
 }
 
 // static
 scoped_ptr<DocumentFeed> DocumentFeed::ExtractAndParse(
     const base::Value& value) {
   const base::DictionaryValue* as_dict = NULL;
-  base::DictionaryValue* feed_dict = NULL;
+  const base::DictionaryValue* feed_dict = NULL;
   if (value.GetAsDictionary(&as_dict) &&
       as_dict->GetDictionary(kFeedField, &feed_dict)) {
     return DocumentFeed::CreateFrom(*feed_dict);
   }
   return scoped_ptr<DocumentFeed>(NULL);
 }
 
 // static
 scoped_ptr<DocumentFeed> DocumentFeed::CreateFrom(const base::Value& value) {
   scoped_ptr<DocumentFeed> feed(new DocumentFeed());
@@ skipping 127 matching lines @@
       &base::StringToInt);
   converter->RegisterRepeatedMessage(kInstalledAppField,
                                      &AccountMetadataFeed::installed_apps_);
 }
 
 // static
 scoped_ptr<AccountMetadataFeed> AccountMetadataFeed::CreateFrom(
     const base::Value& value) {
   scoped_ptr<AccountMetadataFeed> feed(new AccountMetadataFeed());
   const base::DictionaryValue* dictionary = NULL;
-  base::Value* entry = NULL;
+  const base::Value* entry = NULL;
   if (!value.GetAsDictionary(&dictionary) ||
       !dictionary->Get(kEntryField, &entry) ||
       !feed->Parse(*entry)) {
     LOG(ERROR) << "Unable to create: Invalid account metadata feed!";
     return scoped_ptr<AccountMetadataFeed>(NULL);
   }
 
   return feed.Pass();
 }
 
 bool AccountMetadataFeed::Parse(const base::Value& value) {
   base::JSONValueConverter<AccountMetadataFeed> converter;
   if (!converter.Convert(value, this)) {
     LOG(ERROR) << "Unable to parse: Invalid account metadata feed!";
     return false;
   }
   return true;
 }
 
 }  // namespace gdata