Require explicit selection of traits for LazyInstance

chrome/browser/update_client/chrome_update_query_params_delegate.cc

 // Copyright 2014 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/browser/update_client/chrome_update_query_params_delegate.h"
 
 #include "base/lazy_instance.h"
 #include "base/strings/stringprintf.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/common/channel_info.h"
 #include "components/version_info/version_info.h"
 
 namespace {
 
-base::LazyInstance<ChromeUpdateQueryParamsDelegate> g_delegate =
-    LAZY_INSTANCE_INITIALIZER;
+base::LazyInstance<ChromeUpdateQueryParamsDelegate>::DestructorAtExit
+    g_delegate = LAZY_INSTANCE_INITIALIZER;
 
 }  // namespace
 
 ChromeUpdateQueryParamsDelegate::ChromeUpdateQueryParamsDelegate() {
 }
 
 ChromeUpdateQueryParamsDelegate::~ChromeUpdateQueryParamsDelegate() {
 }
 
 // static
 ChromeUpdateQueryParamsDelegate*
 ChromeUpdateQueryParamsDelegate::GetInstance() {
   return g_delegate.Pointer();
 }
 
 std::string ChromeUpdateQueryParamsDelegate::GetExtraParams() {
   return base::StringPrintf("&prodchannel=%s&prodversion=%s&lang=%s",
                             chrome::GetChannelString().c_str(),
                             version_info::GetVersionNumber().c_str(),
                             GetLang());
 }
 
 // static
 const char* ChromeUpdateQueryParamsDelegate::GetLang() {
   return g_browser_process->GetApplicationLocale().c_str();
 }