base: Add Is* functions to Value class.

chrome/common/extensions/extension.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/common/extensions/extension.h"
 
 #include <algorithm>
 
 #include "base/base64.h"
 #include "base/basictypes.h"
@@ skipping 744 matching lines @@
   return result.release();
 }
 
 Extension::FileBrowserHandlerList* Extension::LoadFileBrowserHandlers(
     const ListValue* extension_actions, std::string* error) {
   scoped_ptr<FileBrowserHandlerList> result(
       new FileBrowserHandlerList());
   for (ListValue::const_iterator iter = extension_actions->begin();
        iter != extension_actions->end();
        ++iter) {
-    if (!(*iter)->IsType(Value::TYPE_DICTIONARY)) {
+    if (!(*iter)->IsDictionary()) {
       *error = errors::kInvalidFileBrowserHandler;
       return NULL;
     }
     scoped_ptr<FileBrowserHandler> action(
         LoadFileBrowserHandler(
             reinterpret_cast<DictionaryValue*>(*iter), error));
     if (!action.get())
       return NULL;  // Failed to parse file browser action definition.
     result->push_back(linked_ptr<FileBrowserHandler>(action.release()));
   }
@@ skipping 2091 matching lines @@
     already_disabled(false),
     extension(extension) {}
 
 UpdatedExtensionPermissionsInfo::UpdatedExtensionPermissionsInfo(
     const Extension* extension,
     const ExtensionPermissionSet* permissions,
     Reason reason)
     : reason(reason),
       extension(extension),
       permissions(permissions) {}