bluetooth: show better error messages for services, characteristics and descriptors

third_party/WebKit/Source/modules/bluetooth/BluetoothError.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 BluetoothError_h
 #define BluetoothError_h
 
 #include "platform/heap/Handle.h"
 #include "third_party/WebKit/public/platform/modules/bluetooth/web_bluetooth.mojom-blink.h"
 #include "wtf/Allocator.h"
 
 namespace blink {
 
 class DOMException;
-class ScriptPromiseResolver;
 
 // BluetoothError is used with CallbackPromiseAdapter to receive
 // WebBluetoothResult responses. See CallbackPromiseAdapter class comments.
 class BluetoothError {
   STATIC_ONLY(BluetoothError);
 
  public:
-  // Interface required by CallbackPromiseAdapter:
-  static DOMException* take(ScriptPromiseResolver*,
-                            mojom::blink::WebBluetoothResult);
+  static DOMException* CreateDOMException(

[dcheng, 2017/02/09 19:16:41]

Nit: Blink naming convention is createDOMException. It's better to be
consistent, even though this is changing soon.

[perja, 2017/02/10 13:28:16]

Done.

+      mojom::blink::WebBluetoothResult error,
+      String detailedMessage = String());

[dcheng, 2017/02/09 19:16:41]

const String&

[perja, 2017/02/10 13:28:16]

Done.

 };
 
 }  // namespace blink
 
 #endif  // BluetoothError_h