[background-sync] Remove WebSyncError and SyncCallbacks

third_party/WebKit/Source/modules/background_sync/SyncError.cpp

 // Copyright 2015 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/background_sync/SyncError.h"
 
 #include "core/dom/DOMException.h"
 #include "core/dom/ExceptionCode.h"
 
 namespace blink {
 
+SyncError::SyncError(ErrorType errorType, const String& message)
+    : m_errorType(errorType), m_message(message) {}
+
 DOMException* SyncError::take(ScriptPromiseResolver*,
-                              const WebSyncError& webError) {
-  switch (webError.errorType) {
-    case WebSyncError::ErrorTypeAbort:
-      return DOMException::create(AbortError, webError.message);
-    case WebSyncError::ErrorTypeNoPermission:
-      return DOMException::create(InvalidAccessError, webError.message);
-    case WebSyncError::ErrorTypeNotFound:
-      return DOMException::create(NotFoundError, webError.message);
-    case WebSyncError::ErrorTypePermissionDenied:
-      return DOMException::create(PermissionDeniedError, webError.message);
-    case WebSyncError::ErrorTypeUnknown:
-      return DOMException::create(UnknownError, webError.message);
+                              const SyncError& webError) {
+  switch (webError.m_errorType) {
+    case SyncError::ErrorTypeAbort:
+      return DOMException::create(AbortError, webError.m_message);
+    case SyncError::ErrorTypeNoPermission:
+      return DOMException::create(InvalidAccessError, webError.m_message);
+    case SyncError::ErrorTypeNotFound:
+      return DOMException::create(NotFoundError, webError.m_message);
+    case SyncError::ErrorTypePermissionDenied:
+      return DOMException::create(PermissionDeniedError, webError.m_message);
+    case SyncError::ErrorTypeUnknown:
+      return DOMException::create(UnknownError, webError.m_message);
   }
   ASSERT_NOT_REACHED();
   return DOMException::create(UnknownError);
 }
 
 }  // namespace blink