Move chrome.bluetoothLowEnergy out of //chrome.

extensions/common/api/bluetooth_low_energy.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.
 
 // The <code>chrome.bluetoothLowEnergy</code> API is used to communicate with
 // Bluetooth Smart (Low Energy) devices using the
 // <a href="https://developer.bluetooth.org/TechnologyOverview/Pages/GATT.aspx">
 // Generic Attribute Profile (GATT)</a>.
 namespace bluetoothLowEnergy {
   // Values representing the possible properties of a characteristic.
@@ skipping 545 matching lines @@
     // this request for a long time may lead to a disconnection.
     // This event is only available if the app has both the
     // bluetooth:low_energy and the bluetooth:peripheral permissions set to
     // true. The peripheral permission may not be available to all apps.
     // |request|: Request data for this request.
     // |descriptor|: The GATT descriptor whose value is being written.
     static void onDescriptorWriteRequest(
         Request request, DOMString descriptorId);
   };
 };