Allow linker initialization of lazy instance

base/mac/scoped_nsexception_enabler.mm

 // Copyright (c) 2011 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.
 
 #import "base/mac/scoped_nsexception_enabler.h"
 
 #import "base/lazy_instance.h"
 #import "base/threading/thread_local.h"
 
 // To make the |g_exceptionsAllowed| declaration readable.
 using base::LazyInstance;
 using base::LeakyLazyInstanceTraits;
 using base::ThreadLocalBoolean;
 
 namespace {
 
 // Whether to allow NSExceptions to be raised on the current thread.
 LazyInstance<ThreadLocalBoolean, LeakyLazyInstanceTraits<ThreadLocalBoolean> >
-    g_exceptionsAllowed(base::LINKER_INITIALIZED);
+    g_exceptionsAllowed = LAZY_INSTANCE_INITIALIZER;
 
 }  // namespace
 
 namespace base {
 namespace mac {
 
 bool GetNSExceptionsAllowed() {
   return g_exceptionsAllowed.Get().Get();
 }
 
 void SetNSExceptionsAllowed(bool allowed) {
   return g_exceptionsAllowed.Get().Set(allowed);
 }
 
 ScopedNSExceptionEnabler::ScopedNSExceptionEnabler() {
   was_enabled_ = GetNSExceptionsAllowed();
   SetNSExceptionsAllowed(true);
 }
 
 ScopedNSExceptionEnabler::~ScopedNSExceptionEnabler() {
   SetNSExceptionsAllowed(was_enabled_);
 }
 
 }  // namespace mac
 }  // namespace base