Allow linker initialization of lazy instance

content/renderer/render_thread_impl.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 "content/renderer/render_thread_impl.h"
 
 #include <algorithm>
 #include <limits>
 #include <map>
 #include <vector>
@@ skipping 90 matching lines @@
 
 namespace {
 static const double kInitialIdleHandlerDelayS = 1.0 /* seconds */;
 
 #if defined(TOUCH_UI)
 static const int kPopupListBoxMinimumRowHeight = 60;
 #endif
 
 // Keep the global RenderThreadImpl in a TLS slot so it is impossible to access
 // incorrectly from the wrong thread.
-static base::LazyInstance<base::ThreadLocalPointer<RenderThreadImpl> > lazy_tls(
-    base::LINKER_INITIALIZED);
+static base::LazyInstance<base::ThreadLocalPointer<RenderThreadImpl> >
+    lazy_tls = LINKER_ZERO_INITIALIZED;
 
 class RenderViewZoomer : public content::RenderViewVisitor {
  public:
   RenderViewZoomer(const GURL& url, double zoom_level)
       : zoom_level_(zoom_level) {
     host_ = net::GetHostOrSpecFromURL(url);
   }
 
   virtual bool Visit(content::RenderView* render_view) {
     WebView* webview = render_view->GetWebView();
@@ skipping 659 matching lines @@
 
 scoped_refptr<base::MessageLoopProxy>
 RenderThreadImpl::GetFileThreadMessageLoopProxy() {
   DCHECK(message_loop() == MessageLoop::current());
   if (!file_thread_.get()) {
     file_thread_.reset(new base::Thread("Renderer::FILE"));
     file_thread_->Start();
   }
   return file_thread_->message_loop_proxy();
 }