Allow linker initialization of lazy instance

chrome/browser/safe_browsing/safe_browsing_service.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 "chrome/browser/safe_browsing/safe_browsing_service.h"
 
 #include "base/callback.h"
 #include "base/command_line.h"
 #include "base/lazy_instance.h"
 #include "base/path_service.h"
@@ skipping 83 matching lines @@
 
  private:
   friend struct base::DefaultLazyInstanceTraits<SafeBrowsingServiceFactoryImpl>;
 
   SafeBrowsingServiceFactoryImpl() { }
 
   DISALLOW_COPY_AND_ASSIGN(SafeBrowsingServiceFactoryImpl);
 };
 
 static base::LazyInstance<SafeBrowsingServiceFactoryImpl>
-    g_safe_browsing_service_factory_impl(base::LINKER_INITIALIZED);
+    g_safe_browsing_service_factory_impl = LINKER_ZERO_INITIALIZED;
 
 struct SafeBrowsingService::WhiteListedEntry {
   int render_process_host_id;
   int render_view_id;
   std::string domain;
   UrlCheckResult result;
 };
 
 SafeBrowsingService::UnsafeResource::UnsafeResource()
     : is_subresource(false),
@@ skipping 1246 matching lines @@
     Stop();
 
   if (csd_service_.get())
     csd_service_->SetEnabledAndRefreshState(enable);
   if (download_service_.get()) {
     download_service_->SetEnabled(
         enable && CommandLine::ForCurrentProcess()->HasSwitch(
             switches::kEnableImprovedDownloadProtection));
   }
 }