ChromeOS timezone detection: CfM devices default to static timezone.

chrome/browser/chromeos/system/timezone_resolver_manager.cc

 // Copyright 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 "chrome/browser/chromeos/system/timezone_resolver_manager.h"
 
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/chromeos/policy/proto/chrome_device_policy.pb.h"
 #include "chrome/browser/chromeos/preferences.h"
+#include "chrome/browser/chromeos/system/input_device_settings.h"
 #include "chrome/browser/chromeos/system/timezone_util.h"
 #include "chrome/common/pref_names.h"
 #include "chromeos/chromeos_switches.h"
 #include "components/prefs/pref_service.h"
 
 namespace chromeos {
 namespace system {
 
 namespace {
 
@@ skipping 70 matching lines @@
   if (value)
     return SHOULD_START;
 
   return SHOULD_STOP;
 }
 
 // Returns service configuration for the signin screen.
 ServiceConfiguration GetServiceConfigurationForSigninScreen() {
   if (!g_browser_process->local_state()->GetBoolean(
           prefs::kResolveDeviceTimezoneByGeolocation)) {
-    return SHOULD_START;
+    // CfM devices default to static timezone.
+    bool keyboard_driven_oobe =
+        system::InputDeviceSettings::Get()->ForceKeyboardDrivenUINavigation();
+    return keyboard_driven_oobe ? SHOULD_STOP : SHOULD_START;
   }
 
   // Do not start resolver if we are inside active user session.
   // If user preferences permit, it will be started on preferences
   // initialization.
   if (base::CommandLine::ForCurrentProcess()->HasSwitch(switches::kLoginUser))
     return SHOULD_STOP;
 
   return SHOULD_START;
 }
@@ skipping 70 matching lines @@
     } else {
       // We are on a signin page.
       result = GetServiceConfigurationForSigninScreen();
     }
   }
   return result == SHOULD_START;
 }
 
 }  // namespace system
 }  // namespace chromeos