base: Add Is* functions to Value class.

chrome/installer/util/master_preferences.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/installer/util/master_preferences.h"
 
 #include "base/environment.h"
 #include "base/file_util.h"
 #include "base/lazy_instance.h"
 #include "base/logging.h"
@@ skipping 48 matching lines @@
   if (!file_util::ReadFileToString(master_prefs_path, &json_data))
     return NULL;
 
   JSONStringValueSerializer json(json_data);
   std::string error;
   scoped_ptr<Value> root(json.Deserialize(NULL, &error));
   if (!root.get()) {
     LOG(WARNING) << "Failed to parse master prefs file: " << error;
     return NULL;
   }
-  if (!root->IsType(Value::TYPE_DICTIONARY)) {
+  if (!root->IsDictionary()) {
     LOG(WARNING) << "Failed to parse master prefs file: "
                  << "Root item must be a dictionary.";
     return NULL;
   }
   return static_cast<DictionaryValue*>(root.release());
 }
 
 }  // namespace
 
 namespace installer {
@@ skipping 190 matching lines @@
 bool MasterPreferences::GetExtensionsBlock(DictionaryValue** extensions) const {
   return master_dictionary_->GetDictionary(
       master_preferences::kExtensionsBlock, extensions);
 }
 
 // static
 const MasterPreferences& MasterPreferences::ForCurrentProcess() {
   return g_master_preferences.Get();
 }
 }  // installer_util