Require explicit selection of traits for LazyInstance

chromecast/crash/app_state_tracker.cc

 // Copyright 2015 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 "chromecast/crash/app_state_tracker.h"
 
 #include "base/lazy_instance.h"
 #include "chromecast/crash/cast_crash_keys.h"
 
 namespace {
 
 struct CurrentAppState {
   std::string previous_app;
   std::string current_app;
   std::string last_launched_app;
 };
 
-base::LazyInstance<CurrentAppState> g_app_state = LAZY_INSTANCE_INITIALIZER;
+base::LazyInstance<CurrentAppState>::DestructorAtExit g_app_state =
+    LAZY_INSTANCE_INITIALIZER;
 
 CurrentAppState* GetAppState() {
   return g_app_state.Pointer();
 }
 
 }  // namespace
 
 namespace chromecast {
 
 // static
@@ skipping 25 matching lines @@
   CurrentAppState* app_state = GetAppState();
   app_state->previous_app = app_state->current_app;
   app_state->current_app = app_id;
 
   base::debug::SetCrashKeyValue(crash_keys::kCurrentApp, app_id);
   base::debug::SetCrashKeyValue(crash_keys::kPreviousApp,
                                 app_state->previous_app);
 }
 
 }  // namespace chromecast