Make it possible to use ThreadLocalStorage::Slot as a static without

ppapi/proxy/ppb_message_loop_proxy.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 "ppapi/proxy/ppb_message_loop_proxy.h"
 
 #include <vector>
 
 #include "base/bind.h"
 #include "base/compiler_specific.h"
 #include "base/message_loop.h"
 #include "base/threading/thread_local_storage.h"
 #include "ppapi/c/dev/ppb_message_loop_dev.h"
 #include "ppapi/c/pp_errors.h"
 #include "ppapi/proxy/plugin_dispatcher.h"
 #include "ppapi/shared_impl/resource.h"
 #include "ppapi/thunk/enter.h"
 #include "ppapi/thunk/ppb_message_loop_api.h"
 
 using ppapi::thunk::PPB_MessageLoop_API;
 
 namespace ppapi {
 namespace proxy {
 
 namespace {
 
 typedef thunk::EnterResource<PPB_MessageLoop_API> EnterMessageLoop;
 
-static base::ThreadLocalStorage::Slot tls_slot(base::LINKER_INITIALIZED);
+static base::ThreadLocalStorage::StaticSlot tls_slot = TLS_INITIALIZER;
 
 class MessageLoopResource : public Resource, public PPB_MessageLoop_API {
  public:
   MessageLoopResource(PP_Instance instance);
   virtual ~MessageLoopResource();
 
   // Resource overrides.
   virtual PPB_MessageLoop_API* AsPPB_MessageLoop_API() OVERRIDE;
 
   // PPB_MessageLoop_API implementation.
@@ skipping 238 matching lines @@
 PPB_MessageLoop_Proxy::~PPB_MessageLoop_Proxy() {
 }
 
 // static
 const PPB_MessageLoop_Dev_0_1* PPB_MessageLoop_Proxy::GetInterface() {
   return &ppb_message_loop_interface;
 }
 
 }  // namespace proxy
 }  // namespace ppapi