[EasyUnlock] Add a private API for establishing an insecure Bluetooth connection.

chrome/common/extensions/api/easy_unlock_private.idl

Index: chrome/common/extensions/api/easy_unlock_private.idl
diff --git a/chrome/common/extensions/api/easy_unlock_private.idl b/chrome/common/extensions/api/easy_unlock_private.idl
index 1648853257bfe8f14e563310b27b8da1a45a652b..c7c5d8ed8aa8cb4688182a966ac4ae51b6f48469 100644
--- a/chrome/common/extensions/api/easy_unlock_private.idl
+++ b/chrome/common/extensions/api/easy_unlock_private.idl
@@ -214,6 +214,20 @@
     static void seekBluetoothDeviceByAddress(DOMString deviceAddress,
                                              optional EmptyCallback callback);
 
+    // Connects the socket to a remote Bluetooth device over an insecure
+    // connection, i.e. a connection that requests no bonding and no
+    // man-in-the-middle protection. Other than the reduced security setting,
+    // behaves identically to the chrome.bluetoothSocket.connect() function.
+    // |socketId| : The socket identifier, as issued by the

[Yoyo Zhou, 2014/08/21 22:42:53]

nit: no space between | and :

[Ilya Sherman, 2014/08/21 23:11:29]

Done.

+    //     chrome.bluetoothSocket API.
+    // |address| : The address of the Bluetooth device.

[Yoyo Zhou, 2014/08/21 22:42:52]

Should this be called deviceAddress for consistency with
seekBluetoothDeviceByAddress? The doc string should be the same if so.

[Ilya Sherman, 2014/08/21 23:11:29]

Done.

+    // |uuid| : The UUID of the service to connect to.
+    // |callback| : Called when the connect attempt is complete.
+    static void connectToBluetoothServiceInsecurely(long socketId,
+                                                    DOMString address,
+                                                    DOMString uuid,
+                                                    EmptyCallback callback);
+
     // Updates the screenlock state to reflect the Easy Unlock app state.
     static void updateScreenlockState(State state,
                                       optional EmptyCallback callback);