Don't do auto-enrollment if the write protect switch is off.

chromeos/system/statistics_provider.h

Index: chromeos/system/statistics_provider.h
diff --git a/chromeos/system/statistics_provider.h b/chromeos/system/statistics_provider.h
index 3c79badd3d26c19d8b1af0b5f07782fdcfeaa1af..e70455f41dc60852d9b62d37a1f0788cc1a616cd 100644
--- a/chromeos/system/statistics_provider.h
+++ b/chromeos/system/statistics_provider.h
@@ -24,7 +24,9 @@ CHROMEOS_EXPORT extern const char kActivateDateKey[];
 CHROMEOS_EXPORT extern const char kCustomizationIdKey[];
 
 // Developer switch value.
-CHROMEOS_EXPORT extern const char kDevSwitchBootMode[];
+CHROMEOS_EXPORT extern const char kDevSwitchBootKey[];
+CHROMEOS_EXPORT extern const char kDevSwitchBootValueVerified[];
+CHROMEOS_EXPORT extern const char kDevSwitchBootValueDev[];
 
 // Firmware type and associated values. The values are from crossystem output
 // for the mainfw_type key. Normal and developer correspond to Chrome OS
@@ -62,6 +64,11 @@ CHROMEOS_EXPORT extern const char kOffersGroupCodeKey[];
 // Release Brand Code key.
 CHROMEOS_EXPORT extern const char kRlzBrandCodeKey[];
 
+// Write protect switch value.
+CHROMEOS_EXPORT extern const char kWriteProtectSwitchBootKey[];
+CHROMEOS_EXPORT extern const char kWriteProtectSwitchBootValueOff[];
+CHROMEOS_EXPORT extern const char kWriteProtectSwitchBootValueOn[];
+
 // This interface provides access to Chrome OS statistics.
 class CHROMEOS_EXPORT StatisticsProvider {
  public: