Change a few LazyInstances in printing code to be Leaky.

chrome/browser/printing/print_view_manager.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 "chrome/browser/printing/print_view_manager.h"
 
 #include <map>
 #include <utility>
 
 #include "base/bind.h"
@@ skipping 13 matching lines @@
 #include "printing/features/features.h"
 
 using content::BrowserThread;
 
 DEFINE_WEB_CONTENTS_USER_DATA_KEY(printing::PrintViewManager);
 
 namespace {
 
 // Keeps track of pending scripted print preview closures.
 // No locking, only access on the UI thread.
-base::LazyInstance<std::map<content::RenderProcessHost*, base::Closure>>::
-    DestructorAtExit g_scripted_print_preview_closure_map =
-        LAZY_INSTANCE_INITIALIZER;
+base::LazyInstance<std::map<content::RenderProcessHost*, base::Closure>>::Leaky
+    g_scripted_print_preview_closure_map = LAZY_INSTANCE_INITIALIZER;
 
 void EnableInternalPDFPluginForContents(int render_process_id,
                                         int render_frame_id) {
   // Always enable the internal PDF plugin for the print preview page.
   base::FilePath pdf_plugin_path = base::FilePath::FromUTF8Unsafe(
       ChromeContentClient::kPDFPluginPath);
 
   content::WebPluginInfo pdf_plugin;
   if (!content::PluginService::GetInstance()->GetPluginInfoByPath(
       pdf_plugin_path, &pdf_plugin)) {
@@ skipping 197 matching lines @@
     IPC_MESSAGE_HANDLER(PrintHostMsg_ShowScriptedPrintPreview,
                         OnShowScriptedPrintPreview)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
 
   return handled ||
          PrintViewManagerBase::OnMessageReceived(message, render_frame_host);
 }
 
 }  // namespace printing