Hook up new API for easy unlock to update lock screen

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.
 [nodoc] namespace easyUnlockPrivate {
   // Signature algorithms supported by the crypto library methods used by
   // Easy Unlock.
   enum SignatureType {
     HMAC_SHA256,
     ECDSA_P256_SHA256
   };
 
   // Encryption algorithms supported by the crypto library methods used by
   // Easy Unlock.
   enum EncryptionType {
     AES_256_CBC
   };
 
+  // Available states for the Easy Unlock app.
+  enum State {
+    // Screen is either not locked, or the Easy Unlock is not enabled.
+    INACTIVE,
+    // The Bluetooth is not enabled.
+    NO_BLUETOOTH,
+    // Bluetooth is being activated.
+    BLUETOOTH_CONNECTING,
+    // There are no phones eligible to unlock the device.
+    NO_PHONE,
+    // A phone eligible to unlock the device is detected, but can't be
+    // authenticated.
+    PHONE_NOT_AUTHENTICATED,
+    // A phone eligible to unlock the device is detected, but it's locked and
+    // thus unable to unlock the device.
+    PHONE_LOCKED,
+    // A phone eligible to unlock the devioce is detected, but it is not allowed

[xiyuan, 2014/08/12 18:09:47]

nit: devioce -> device

[tbarzic, 2014/08/12 19:14:36]

Done.

+    // to unlock the device because it doesn't have lock screen enabled.
+    PHONE_UNLOCKABLE,
+    // A phone eligible to unlock the device is detected, but it's not close
+    // enough to be allowed to unlock the device.
+    PHONE_NOT_NEARBY,
+    // The devie can be unlocked using Easy Unlock.
+    AUTHENTICATED
+  };
+
   // 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
     // data.
     ArrayBuffer? associatedData;
 
     // The encryption algorithm that should be used to decrypt the message.
     // Should not be set for a cleartext message.
     EncryptionType? encryptType;
@@ skipping 107 matching lines @@
     // Connects to the SDP service on a device, given just the device's
     // Bluetooth address. This function is useful as a faster alternative to
     // Bluetooth discovery, when you already know the remote device's Bluetooth
     // address. A successful call to this function has the side-effect of
     // registering the device with the Bluetooth daemon, making it available for
     // future outgoing connections.
     // |deviceAddress|: The Bluetooth address of the device to connect to.
     // |callback|: Called to indicate success or failure.
     static void seekBluetoothDeviceByAddress(DOMString deviceAddress,
                                              optional EmptyCallback callback);
+
+    // Updates the screenlock state to reflect the Easy Unlock app state.
+    static void updateScreenlockState(State state,
+                                      optional EmptyCallback callback);
   };
 };