base: Add Is* functions to Value class.

chrome/browser/extensions/extension_management_api.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/extensions/extension_management_api.h"
 
 #include <map>
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 209 matching lines @@
       IPC_MESSAGE_HANDLER(UtilityHostMsg_ParseJSON_Failed, OnJSONParseFailed)
       IPC_MESSAGE_UNHANDLED(handled = false)
     IPC_END_MESSAGE_MAP()
     return handled;
   }
 
   void OnJSONParseSucceeded(const ListValue& wrapper) {
     CHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
     Value* value = NULL;
     CHECK(wrapper.Get(0, &value));
-    if (value->IsType(Value::TYPE_DICTIONARY))
+    if (value->IsDictionary())
       parsed_manifest_.reset(static_cast<DictionaryValue*>(value)->DeepCopy());
     else
       error_ = kManifestParseError;
 
     utility_host_ = NULL; // has already deleted itself
     BrowserThread::PostTask(
         BrowserThread::UI,
         FROM_HERE,
         NewRunnableMethod(this,
                           &SafeManifestJSONParser::ReportResultFromUIThread));
@@ skipping 232 matching lines @@
     bool enabled = service->GetExtensionById(extension->id(), false) != NULL;
     args.Append(CreateExtensionInfo(*extension, enabled));
   }
 
   std::string args_json;
   base::JSONWriter::Write(&args, false /* pretty_print */, &args_json);
 
   profile->GetExtensionEventRouter()->DispatchEventToRenderers(
       event_name, args_json, NULL, GURL());
 }