base: Add Is* functions to Value class.

chrome/browser/ui/webui/ntp/most_visited_handler.cc

 // Copyright (c) 2011 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/ui/webui/ntp/most_visited_handler.h"
 
 #include <set>
 
 #include "base/callback.h"
 #include "base/command_line.h"
@@ skipping 217 matching lines @@
   // having a map from the index to the item but the number of items is limited
   // to the number of items the most visited section is showing on the NTP so
   // this will be fast enough for now.
   PrefService* prefs = Profile::FromWebUI(web_ui_)->GetPrefs();
   const DictionaryValue* pinned_urls =
       prefs->GetDictionary(prefs::kNTPMostVisitedPinnedURLs);
   for (DictionaryValue::key_iterator it = pinned_urls->begin_keys();
       it != pinned_urls->end_keys(); ++it) {
     Value* value;
     if (pinned_urls->GetWithoutPathExpansion(*it, &value)) {
-      if (!value->IsType(DictionaryValue::TYPE_DICTIONARY)) {
+      if (!value->IsDictionary()) {
         // Moved on to TopSites and now going back.
         DictionaryPrefUpdate update(prefs, prefs::kNTPMostVisitedPinnedURLs);
         update.Get()->Clear();
         return false;
       }
 
       int dict_index;
       const DictionaryValue* dict = static_cast<DictionaryValue*>(value);
       if (dict->GetInteger("index", &dict_index) && dict_index == index) {
         // The favicon and thumbnail URLs may be empty.
@@ skipping 83 matching lines @@
   return base::MD5String(url);
 }
 
 // static
 void MostVisitedHandler::RegisterUserPrefs(PrefService* prefs) {
   prefs->RegisterDictionaryPref(prefs::kNTPMostVisitedURLsBlacklist,
                                 PrefService::UNSYNCABLE_PREF);
   prefs->RegisterDictionaryPref(prefs::kNTPMostVisitedPinnedURLs,
                                 PrefService::UNSYNCABLE_PREF);
 }