Add base::StaticAtomicSequenceNumber.

ipc/ipc_sync_message.cc

 // Copyright (c) 2012 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 "build/build_config.h"
 
 #if defined(OS_WIN)
 #include <windows.h>
 #endif
 #include <stack>
 
 #include "base/atomic_sequence_num.h"
 #include "base/lazy_instance.h"
 #include "base/logging.h"
 #include "base/synchronization/waitable_event.h"
 #include "ipc/ipc_sync_message.h"
 
 namespace {
 
 struct WaitableEventLazyInstanceTraits
     : public base::DefaultLazyInstanceTraits<base::WaitableEvent> {
   static base::WaitableEvent* New(void* instance) {
     // Use placement new to initialize our instance in our preallocated space.
     return new (instance) base::WaitableEvent(true, true);
   }
 };
 
-static base::LazyInstance<base::WaitableEvent, WaitableEventLazyInstanceTraits>
+base::LazyInstance<base::WaitableEvent, WaitableEventLazyInstanceTraits>
     dummy_event = LAZY_INSTANCE_INITIALIZER;
 
-}
+base::StaticAtomicSequenceNumber g_next_id;
+
+}  // namespace
 
 namespace IPC {
 
 #define kSyncMessageHeaderSize 4
 
-static base::AtomicSequenceNumber g_next_id(base::LINKER_INITIALIZED);
-
 SyncMessage::SyncMessage(
     int32 routing_id,
     uint32 type,
     PriorityValue priority,
     MessageReplyDeserializer* deserializer)
     : Message(routing_id, type, priority),
       deserializer_(deserializer),
       pump_messages_event_(NULL)
       {
   set_sync();
@@ skipping 85 matching lines @@
 
   return true;
 }
 
 
 bool MessageReplyDeserializer::SerializeOutputParameters(const Message& msg) {
   return SerializeOutputParameters(msg, SyncMessage::GetDataIterator(&msg));
 }
 
 }  // namespace IPC