linux and chromeos: Turn on -Wunused-const-variable.

chrome/browser/chromeos/login/wizard_controller.cc

Index: chrome/browser/chromeos/login/wizard_controller.cc
diff --git a/chrome/browser/chromeos/login/wizard_controller.cc b/chrome/browser/chromeos/login/wizard_controller.cc
index 5bd9c5f7f13e03ebec31128dd6bdbfa1abd6fcae..cbc301240f71d380cd19efdf8274fd4643c99745 100644
--- a/chrome/browser/chromeos/login/wizard_controller.cc
+++ b/chrome/browser/chromeos/login/wizard_controller.cc
@@ -64,26 +64,12 @@
 
 using content::BrowserThread;
 
-namespace {
-
-// A string pref with initial locale set in VPD or manifest.
-const char kInitialLocale[] = "intl.initial_locale";
-
-// A boolean pref of the OOBE complete flag (first OOBE part before login).
-const char kOobeComplete[] = "OobeComplete";
-
-// A boolean pref of the device registered flag (second part after first login).
-const char kDeviceRegistered[] = "DeviceRegistered";
-
-// Time in seconds that we wait for the device to reboot.
 // If reboot didn't happen, ask user to reboot device manually.
 const int kWaitForRebootTimeSec = 3;
 
 // Interval in ms which is used for smooth screen showing.
 static int kShowDelayMs = 400;
 
-}  // namespace
-
 namespace chromeos {
 
 const char WizardController::kNetworkScreenName[] = "network";