Require explicit selection of traits for LazyInstance

extensions/renderer/guest_view/guest_view_internal_custom_bindings.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/guest_view_internal_custom_bindings.h"
 
 #include <string>
 #include <utility>
 
 #include "base/bind.h"
@@ skipping 21 matching lines @@
 
 using content::V8ValueConverter;
 
 namespace {
 
 // A map from view instance ID to view object (stored via weak V8 reference).
 // Views are registered into this map via
 // GuestViewInternalCustomBindings::RegisterView(), and accessed via
 // GuestViewInternalCustomBindings::GetViewFromID().
 using ViewMap = std::map<int, v8::Global<v8::Object>*>;
-static base::LazyInstance<ViewMap> weak_view_map = LAZY_INSTANCE_INITIALIZER;
+static base::LazyInstance<ViewMap>::DestructorAtExit weak_view_map =
+    LAZY_INSTANCE_INITIALIZER;
 
 }  // namespace
 
 namespace extensions {
 
 namespace {
 
 content::RenderFrame* GetRenderFrame(v8::Handle<v8::Value> value) {
   v8::Local<v8::Context> context =
       v8::Local<v8::Object>::Cast(value)->CreationContext();
@@ skipping 405 matching lines @@
   // EnterFullscreen() and do it directly rather than having a generic "run with
   // user gesture" function.
   blink::WebScopedUserGesture user_gesture(context()->web_frame());
   CHECK_EQ(args.Length(), 1);
   CHECK(args[0]->IsFunction());
   context()->SafeCallFunction(
       v8::Local<v8::Function>::Cast(args[0]), 0, nullptr);
 }
 
 }  // namespace extensions