base: Add Is* functions to Value class.

chrome/browser/extensions/extension_proxy_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.
 
 // Implementation of the Chrome Extensions Proxy Settings API.
 
 #include "chrome/browser/extensions/extension_proxy_api.h"
 
 #include "base/json/json_writer.h"
 #include "base/stringprintf.h"
@@ skipping 80 matching lines @@
 
 ProxyPrefTransformer::~ProxyPrefTransformer() {
 }
 
 Value* ProxyPrefTransformer::ExtensionToBrowserPref(const Value* extension_pref,
                                                     std::string* error,
                                                     bool* bad_message) {
   // When ExtensionToBrowserPref is called, the format of |extension_pref|
   // has been verified already by the extension API to match the schema
   // defined in chrome/common/extensions/api/extension_api.json.
-  CHECK(extension_pref->IsType(Value::TYPE_DICTIONARY));
+  CHECK(extension_pref->IsDictionary());
   const DictionaryValue* config =
       static_cast<const DictionaryValue*>(extension_pref);
 
   // Extract the various pieces of information passed to
   // chrome.proxy.settings.set(). Several of these strings will
   // remain blank no respective values have been passed to set().
   // If a values has been passed to set but could not be parsed, we bail
   // out and return NULL.
   ProxyPrefs::ProxyMode mode_enum;
   bool pac_mandatory;
@@ skipping 15 matching lines @@
           config, &bypass_list, error, bad_message)) {
     return NULL;
   }
 
   return helpers::CreateProxyConfigDict(
       mode_enum, pac_mandatory, pac_url, pac_data, proxy_rules_string,
       bypass_list, error);
 }
 
 Value* ProxyPrefTransformer::BrowserToExtensionPref(const Value* browser_pref) {
-  CHECK(browser_pref->IsType(Value::TYPE_DICTIONARY));
+  CHECK(browser_pref->IsDictionary());
 
   // This is a dictionary wrapper that exposes the proxy configuration stored in
   // the browser preferences.
   ProxyConfigDictionary config(
       static_cast<const DictionaryValue*>(browser_pref));
 
   ProxyPrefs::ProxyMode mode;
   if (!config.GetMode(&mode)) {
     LOG(ERROR) << "Cannot determine proxy mode.";
     return NULL;
@@ skipping 27 matching lines @@
       if (!proxy_rules_dict)
         return NULL;
       extension_pref->Set(keys::kProxyConfigRules, proxy_rules_dict);
       break;
     }
     case ProxyPrefs::kModeCount:
       NOTREACHED();
   }
   return extension_pref.release();
 }