Allow linker initialization of lazy instance

base/threading/worker_pool_posix.cc

 // 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.
 
 #include "base/threading/worker_pool_posix.h"
 
 #include "base/bind.h"
 #include "base/debug/trace_event.h"
 #include "base/lazy_instance.h"
 #include "base/logging.h"
@@ skipping 39 matching lines @@
 void WorkerPoolImpl::PostTask(const tracked_objects::Location& from_here,
                               Task* task, bool task_is_slow) {
   pool_->PostTask(from_here, task);
 }
 
 void WorkerPoolImpl::PostTask(const tracked_objects::Location& from_here,
                               const base::Closure& task, bool task_is_slow) {
   pool_->PostTask(from_here, task);
 }
 
-base::LazyInstance<WorkerPoolImpl> g_lazy_worker_pool(base::LINKER_INITIALIZED);
+base::LazyInstance<WorkerPoolImpl> g_lazy_worker_pool =
+    LINKER_ZERO_INITIALIZED;
 
 class WorkerThread : public PlatformThread::Delegate {
  public:
   WorkerThread(const std::string& name_prefix,
                base::PosixDynamicThreadPool* pool)
       : name_prefix_(name_prefix),
         pool_(pool) {}
 
   virtual void ThreadMain();
 
@@ skipping 147 matching lines @@
       return PendingTask(FROM_HERE, base::Closure());
     }
   }
 
   PendingTask pending_task = pending_tasks_.front();
   pending_tasks_.pop();
   return pending_task;
 }
 
 }  // namespace base