Make base::Value::TYPE a scoped enum.

chrome/test/chromedriver/window_commands.cc

 // Copyright (c) 2013 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/chromedriver/window_commands.h"
 
 #include <stddef.h>
 
 #include <list>
 #include <string>
@@ skipping 331 matching lines @@
 
 Status ExecuteSwitchToFrame(Session* session,
                             WebView* web_view,
                             const base::DictionaryValue& params,
                             std::unique_ptr<base::Value>* value,
                             Timeout* timeout) {
   const base::Value* id;
   if (!params.Get("id", &id))
     return Status(kUnknownError, "missing 'id'");
 
-  if (id->IsType(base::Value::TYPE_NULL)) {
+  if (id->IsType(base::Value::Type::NONE)) {
     session->SwitchToTopFrame();
     return Status(kOk);
   }
 
   std::string script;
   base::ListValue args;
   const base::DictionaryValue* id_dict;
   if (id->GetAsDictionary(&id_dict)) {
     script = "function(elem) { return elem; }";
     args.Append(id_dict->CreateDeepCopy());
@@ skipping 714 matching lines @@
   return status;
 }
 
 Status ExecuteTakeHeapSnapshot(Session* session,
                                WebView* web_view,
                                const base::DictionaryValue& params,
                                std::unique_ptr<base::Value>* value,
                                Timeout* timeout) {
   return web_view->TakeHeapSnapshot(value);
 }