base: Add Is* functions to Value class.

chrome/common/web_resource/web_resource_unpacker.cc

Index: chrome/common/web_resource/web_resource_unpacker.cc
diff --git a/chrome/common/web_resource/web_resource_unpacker.cc b/chrome/common/web_resource/web_resource_unpacker.cc
index e93ea36483d024364e16816e1a03a28e8c3d3dda..7d5048cc54a442d7f0dd5755146c616c10424c82 100644
--- a/chrome/common/web_resource/web_resource_unpacker.cc
+++ b/chrome/common/web_resource/web_resource_unpacker.cc
@@ -1,4 +1,4 @@
-// Copyright (c) 2009 The Chromium Authors. All rights reserved.
+// 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.
 
@@ -32,7 +32,7 @@ bool WebResourceUnpacker::Run() {
       error_message_ = kInvalidDataTypeError;
       return false;
     }
-    if (!value->IsType(Value::TYPE_DICTIONARY)) {
+    if (!value->IsDictionary()) {
       error_message_ = kUnexpectedJSONFormatError;
       return false;
     }