ChromeOS timezone detection: CfM devices default to static timezone.

chrome/browser/chromeos/system/timezone_resolver_manager.cc

Index: chrome/browser/chromeos/system/timezone_resolver_manager.cc
diff --git a/chrome/browser/chromeos/system/timezone_resolver_manager.cc b/chrome/browser/chromeos/system/timezone_resolver_manager.cc
index 2288cff45164755c5adc28561b58496a4a222625..d1e9ef35872830939883ab791eac6e1e04094786 100644
--- a/chrome/browser/chromeos/system/timezone_resolver_manager.cc
+++ b/chrome/browser/chromeos/system/timezone_resolver_manager.cc
@@ -9,6 +9,7 @@
 #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"
@@ -99,7 +100,10 @@ ServiceConfiguration GetServiceConfigurationFromUserPrefs(
 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.