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

chrome/common/extensions/api/easy_unlock_private.idl

 // 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.
 
 // <code>chrome.easyUnlockPrivate</code> API that provides hooks to Chrome to
 // be used by Easy Unlock component app.
 namespace easyUnlockPrivate {
   // Signature algorithms supported by the crypto library methods used by
   // Easy Unlock.
   enum SignatureType {
@@ skipping 30 matching lines @@
     // to unlock the device because it does not report its lock screen state.
     PHONE_UNSUPPORTED,
     // A phone eligible to unlock the device is detected, 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.
     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.
     TX_POWER_TOO_HIGH,
-    // The devie can be unlocked using Easy Unlock.
+    // 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.
+    PHONE_LOCKED_AND_TX_POWER_TOO_HIGH,
+    // The device can be unlocked using Easy Unlock.
     AUTHENTICATED
   };
 
   // Type of a permit. All lower case to match permit.PermitRecord.Type.
   enum PermitType {access, license};
 
   // Options that can be passed to |unwrapSecureMessage| method.
   dictionary UnwrapSecureMessageOptions {
     // The data associated with the message. For the message to be succesfully
     // verified, the message should have been created with the same associated
@@ skipping 264 matching lines @@
                                   ConnectionInfoCallback callback);
   };
 
   interface Events {
     // Event fired when the data for the user currently associated with
     // Easy unlock service is updated.
     // |userInfo| The updated user information.
     static void onUserInfoUpdated(UserInfo userInfo);
   };
 };