Require explicit selection of traits for LazyInstance

extensions/renderer/guest_view/mime_handler_view/mime_handler_view_container.cc

 // Copyright 2014 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 "extensions/renderer/guest_view/mime_handler_view/mime_handler_view_container.h"
 
 #include <map>
 #include <set>
 
 #include "base/macros.h"
@@ skipping 80 matching lines @@
   base::WeakPtr<MimeHandlerViewContainer> container_;
   v8::Persistent<v8::FunctionTemplate> post_message_function_template_;
 };
 
 // static
 gin::WrapperInfo ScriptableObject::kWrapperInfo = { gin::kEmbedderNativeGin };
 
 // Maps from content::RenderFrame to the set of MimeHandlerViewContainers within
 // it.
 base::LazyInstance<
-    std::map<content::RenderFrame*, std::set<MimeHandlerViewContainer*>>>
-    g_mime_handler_view_container_map = LAZY_INSTANCE_INITIALIZER;
+    std::map<content::RenderFrame*, std::set<MimeHandlerViewContainer*>>>::
+    DestructorAtExit g_mime_handler_view_container_map =
+        LAZY_INSTANCE_INITIALIZER;
 
 }  // namespace
 
 MimeHandlerViewContainer::MimeHandlerViewContainer(
     content::RenderFrame* render_frame,
     const std::string& mime_type,
     const GURL& original_url)
     : GuestViewContainer(render_frame),
       mime_type_(mime_type),
       original_url_(original_url),
@@ skipping 218 matching lines @@
   if (!render_frame())
     return;
 
   render_frame()->Send(
       new ExtensionsGuestViewHostMsg_CreateMimeHandlerViewGuest(
           render_frame()->GetRoutingID(), view_id_, element_instance_id(),
           element_size_));
 }
 
 }  // namespace extensions