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

third_party/WebKit/Source/modules/bluetooth/BluetoothRemoteGATTUtils.cpp

 // Copyright 2017 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.
 
 #include "modules/bluetooth/BluetoothRemoteGATTUtils.h"
 
 namespace blink {
 
 // static
 DOMDataView* BluetoothRemoteGATTUtils::ConvertWTFVectorToDataView(
     const WTF::Vector<uint8_t>& wtfVector) {
   static_assert(sizeof(*wtfVector.data()) == 1,
                 "uint8_t should be a single byte");
   DOMArrayBuffer* domBuffer =
       DOMArrayBuffer::create(wtfVector.data(), wtfVector.size());
   return DOMDataView::create(domBuffer, 0, wtfVector.size());
 }
 
-// static
-DOMException* BluetoothRemoteGATTUtils::CreateDOMException(ExceptionType type) {
-  switch (type) {
-    case ExceptionType::kGATTServerDisconnected:
-      return DOMException::create(
-          NetworkError,
-          "GATT Server disconnected while performing a GATT operation.");
-
-    case ExceptionType::kGATTServerNotConnected:
-      return DOMException::create(
-          NetworkError,
-          "GATT Server is disconnected. Cannot perform GATT operations.");
-
-    case ExceptionType::kInvalidCharacteristic:
-      return DOMException::create(
-          InvalidStateError,
-          "Characteristic is no longer valid. Remember to retrieve the "
-          "characteristic again after reconnecting.");
-
-    case ExceptionType::kInvalidDescriptor:
-      return DOMException::create(
-          InvalidStateError,
-          "Descriptor is no longer valid. Remember to retrieve the "
-          "Descriptor again after reconnecting.");
-
-    default:
-      NOTREACHED();
-      return nullptr;
-  }
-}
-
 }  // namespace blink