Allow linker initialization of lazy instance

content/browser/notification_service_impl.cc

 // Copyright (c) 2010 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 "content/browser/notification_service_impl.h"
 
 #include "base/lazy_instance.h"
 #include "base/threading/thread_local.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_types.h"
 
 static base::LazyInstance<base::ThreadLocalPointer<NotificationServiceImpl> >
-    lazy_tls_ptr(base::LINKER_INITIALIZED);
+    lazy_tls_ptr = LAZY_INSTANCE_INITIALIZER;
 
 // static
 NotificationServiceImpl* NotificationServiceImpl::current() {
   return lazy_tls_ptr.Pointer()->Get();
 }
 
 // static
 content::NotificationService* content::NotificationService::current() {
   return NotificationServiceImpl::current();
 }
@@ skipping 114 matching lines @@
   }
 #endif
 
   for (int i = 0; i < static_cast<int>(observers_.size()); i++) {
     NotificationSourceMap omap = observers_[i];
     for (NotificationSourceMap::iterator it = omap.begin();
          it != omap.end(); ++it)
       delete it->second;
   }
 }