Require explicit selection of traits for LazyInstance

extensions/browser/api/system_cpu/cpu_info_provider.cc

 // Copyright 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 "extensions/browser/api/system_cpu/cpu_info_provider.h"
 
 #include "base/sys_info.h"
 
 namespace extensions {
 
 using api::system_cpu::CpuInfo;
 
 // Static member intialization.
-base::LazyInstance<scoped_refptr<CpuInfoProvider> > CpuInfoProvider::provider_ =
-    LAZY_INSTANCE_INITIALIZER;
+base::LazyInstance<scoped_refptr<CpuInfoProvider>>::DestructorAtExit
+    CpuInfoProvider::provider_ = LAZY_INSTANCE_INITIALIZER;
 
 CpuInfoProvider::CpuInfoProvider() {
 }
 
 CpuInfoProvider::~CpuInfoProvider() {
 }
 
 void CpuInfoProvider::InitializeForTesting(
     scoped_refptr<CpuInfoProvider> provider) {
   DCHECK(provider.get() != NULL);
@@ skipping 39 matching lines @@
 }
 
 // static
 CpuInfoProvider* CpuInfoProvider::Get() {
   if (provider_.Get().get() == NULL)
     provider_.Get() = new CpuInfoProvider();
   return provider_.Get().get();
 }
 
 }  // namespace extensions