[Night Light] CL12: String changes and fix frequent requests.

chrome/browser/chromeos/chrome_browser_main_chromeos.cc

 // Copyright (c) 2013 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/chromeos/chrome_browser_main_chromeos.h"
 
 #include <stddef.h>
 
 #include <string>
 #include <utility>
@@ skipping 975 matching lines @@
     keyboard_event_rewriters_->Init();
   }
 
   // In classic ash must occur after ash::ShellPort is initialized. Triggers a
   // fetch of the initial CrosSettings DeviceRebootOnShutdown policy.
   shutdown_policy_forwarder_ = base::MakeUnique<ShutdownPolicyForwarder>();
 
   if (!base::CommandLine::ForCurrentProcess()->HasSwitch(
           ash::switches::kAshDisableNightLight)) {
     night_light_client_ = base::MakeUnique<NightLightClient>(
-        g_browser_process->system_request_context());
+        g_browser_process->system_request_context(), nullptr, nullptr);

[stevenjb, 2017/07/01 00:31:26]

Comment these, e.g. nullptr /* no TickClock override */

[afakhry, 2017/07/01 00:57:45]

Not needed anymore.

     night_light_client_->Start();
   }
 
   ChromeBrowserMainPartsLinux::PostBrowserStart();
 }
 
 // Shut down services before the browser process, etc are destroyed.
 void ChromeBrowserMainPartsChromeos::PostMainMessageLoopRun() {
   chromeos::ResourceReporter::GetInstance()->StopMonitoring();
 
@@ skipping 138 matching lines @@
   // outlive CertLoader.
   system_token_certdb_initializer_.reset();
 
   ChromeBrowserMainPartsLinux::PostDestroyThreads();
 
   // Destroy DeviceSettingsService after g_browser_process.
   DeviceSettingsService::Shutdown();
 }
 
 }  //  namespace chromeos