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

components/tracing/browser/trace_config_file.cc

 // Copyright (c) 2015 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 "components/tracing/browser/trace_config_file.h"
 
 #include <stddef.h>
 
 #include <memory>
 #include <string>
@@ skipping 80 matching lines @@
   is_enabled_ = ParseTraceConfigFileContent(trace_config_file_content);
   if (!is_enabled_)
     DLOG(WARNING) << "Cannot parse the trace config file correctly.";
 }
 
 TraceConfigFile::~TraceConfigFile() {
 }
 
 bool TraceConfigFile::ParseTraceConfigFileContent(const std::string& content) {
   std::unique_ptr<base::Value> value(base::JSONReader::Read(content));
-  if (!value || !value->IsType(base::Value::TYPE_DICTIONARY))
+  if (!value || !value->IsType(base::Value::Type::DICTIONARY))
     return false;
 
   std::unique_ptr<base::DictionaryValue> dict(
       static_cast<base::DictionaryValue*>(value.release()));
 
   base::DictionaryValue* trace_config_dict = NULL;
   if (!dict->GetDictionary(kTraceConfigParam, &trace_config_dict))
     return false;
 
   trace_config_ = base::trace_event::TraceConfig(*trace_config_dict);
@@ skipping 26 matching lines @@
 }
 
 #if !defined(OS_ANDROID)
 base::FilePath TraceConfigFile::GetResultFile() const {
   DCHECK(IsEnabled());
   return result_file_;
 }
 #endif
 
 }  // namespace tracing