Revert recent changes to base::Value

chrome/test/automation/automation_json_requests.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/test/automation/automation_json_requests.h"
 
 #include "base/basictypes.h"
 #include "base/file_path.h"
 #include "base/format_macros.h"
 #include "base/json/json_reader.h"
@@ skipping 169 matching lines @@
     LOG(ERROR) << "Executed javascript but received no 'result'";
     return false;
   }
   // Wrap |json| in an array before deserializing because valid JSON has an
   // array or an object as the root.
   json.insert(0, "[");
   json.append("]");
 
   JSONStringValueSerializer deserializer(json);
   Value* value = deserializer.Deserialize(NULL, NULL);
-  if (!value || !value->AsList()) {
+  if (!value || !value->IsType(Value::TYPE_LIST)) {
     LOG(ERROR) << "Unable to deserialize returned JSON";
     return false;
   }
-  scoped_ptr<ListValue> list(value->AsList());
+  scoped_ptr<ListValue> list(static_cast<ListValue*>(value));
   return list->Remove(0, result);
 }
 
 bool SendGoForwardJSONRequest(
     AutomationMessageSender* sender,
     int browser_index,
     int tab_index,
     std::string* error_msg) {
   DictionaryValue dict;
   dict.SetString("command", "GoForward");
@@ skipping 85 matching lines @@
   DictionaryValue dict;
   dict.SetString("command", "GetCookies");
   dict.SetString("url", url);
   DictionaryValue reply_dict;
   if (!SendAutomationJSONRequest(sender, dict, &reply_dict, error_msg))
     return false;
   Value* cookies_unscoped_value;
   if (!reply_dict.Remove("cookies", &cookies_unscoped_value))
     return false;
   scoped_ptr<Value> cookies_value(cookies_unscoped_value);
-  if (!cookies_value->AsList())
+  if (!cookies_value->IsType(Value::TYPE_LIST))
     return false;
-  *cookies = cookies_value->AsList();
+  *cookies = static_cast<ListValue*>(cookies_value.release());
   return true;
 }
 
 bool SendDeleteCookieJSONRequest(
     AutomationMessageSender* sender,
     const std::string& url,
     const std::string& cookie_name,
     std::string* error_msg) {
   DictionaryValue dict;
   dict.SetString("command", "DeleteCookie");
@@ skipping 289 matching lines @@
     AutomationMessageSender* sender,
     int* version,
     std::string* error_msg) {
   DictionaryValue dict;
   dict.SetString("command", "GetChromeDriverAutomationVersion");
   DictionaryValue reply_dict;
   if (!SendAutomationJSONRequest(sender, dict, &reply_dict, error_msg))
     return false;
   return reply_dict.GetInteger("version", version);
 }