[Smart Lock] Add error message strings for the "Tx Power too high" case.

chrome/browser/signin/easy_unlock_screenlock_state_handler.h

 // Copyright 2014 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.
 
 #ifndef CHROME_BROWSER_SIGNIN_EASY_UNLOCK_SCREENLOCK_STATE_HANDLER_H_
 #define CHROME_BROWSER_SIGNIN_EASY_UNLOCK_SCREENLOCK_STATE_HANDLER_H_
 
 #include <string>
 
 #include "base/strings/string16.h"
@@ skipping 27 matching lines @@
     // the device because it does not support reporting it's lock screen state.
     STATE_PHONE_UNSUPPORTED,
     // A phone eligible to unlock the device is found, but its received signal
     // strength is too low, i.e. the phone is roughly more than 30 feet away,
     // and therefore is not allowed to unlock the device.
     STATE_RSSI_TOO_LOW,
     // A phone eligible to unlock the device is found, but the local device's
     // transmission power is too high, indicating that the phone is (probably)
     // more than 1 foot away, and therefore is not allowed to unlock the device.
     STATE_TX_POWER_TOO_HIGH,
+    // A phone eligible to unlock the device is found; but (a) the phone is
+    // locked, and (b) the local device's transmission power is too high,
+    // indicating that the phone is (probably) more than 1 foot away, and
+    // therefore is not allowed to unlock the device.
+    STATE_PHONE_LOCKED_AND_TX_POWER_TOO_HIGH,
     // The device can be unlocked using Easy Unlock.
     STATE_AUTHENTICATED
   };
 
   // Hard lock states.
   enum HardlockState {
     NO_HARDLOCK = 0,           // Hard lock is not enforced. This is default.
     USER_HARDLOCK = 1 << 0,    // Hard lock is requested by user.
     PAIRING_CHANGED = 1 << 1,  // Hard lock because pairing data is changed.
     NO_PAIRING = 1 << 2,       // Hard lock because there is no pairing data.
@@ skipping 70 matching lines @@
 
   // Whether this is the trial Easy Unlock run. If this is the case, a
   // tutorial message should be shown and hard-locking be disabled. The trial
   // run should be set if the screen was locked by the Easy Unlock setup app.
   bool is_trial_run_;
 
   DISALLOW_COPY_AND_ASSIGN(EasyUnlockScreenlockStateHandler);
 };
 
 #endif  // CHROME_BROWSER_SIGNIN_EASY_UNLOCK_SCREENLOCK_STATE_HANDLER_H_