Require explicit selection of traits for LazyInstance

extensions/browser/api/clipboard/clipboard_api.cc

 // Copyright (c) 2016 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/browser/api/clipboard/clipboard_api.h"
 
 #include <utility>
 
 #include "base/lazy_instance.h"
 #include "base/memory/ptr_util.h"
 #include "base/values.h"
 #include "extensions/browser/api/extensions_api_client.h"
 #include "extensions/browser/event_router.h"
 #include "ui/base/clipboard/clipboard_monitor.h"
 
 namespace extensions {
 
 namespace clipboard = api::clipboard;
 
-static base::LazyInstance<BrowserContextKeyedAPIFactory<ClipboardAPI>>
-    g_factory = LAZY_INSTANCE_INITIALIZER;
+static base::LazyInstance<
+    BrowserContextKeyedAPIFactory<ClipboardAPI>>::DestructorAtExit g_factory =
+    LAZY_INSTANCE_INITIALIZER;
 
 // static
 BrowserContextKeyedAPIFactory<ClipboardAPI>*
 ClipboardAPI::GetFactoryInstance() {
   return g_factory.Pointer();
 }
 
 ClipboardAPI::ClipboardAPI(content::BrowserContext* context)
     : browser_context_(context) {
   ui::ClipboardMonitor::GetInstance()->AddObserver(this);
@@ skipping 31 matching lines @@
 void ClipboardSetImageDataFunction::OnSaveImageDataSuccess() {
   Respond(NoArguments());
 }
 
 void ClipboardSetImageDataFunction::OnSaveImageDataError(
     const std::string& error) {
   Respond(Error(error));
 }
 
 }  // namespace extensions