aura-x11: Add custom web cursor support.

webkit/glue/webcursor_aurawin.cc

+// Copyright (c) 2012 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 "webkit/glue/webcursor.h"
+
+#include "third_party/WebKit/Source/WebKit/chromium/public/WebCursorInfo.h"
+
+void WebCursor::InitPlatformData() {
+}
+
+bool WebCursor::SerializePlatformData(Pickle* pickle) const {
+  return true;
+}
+
+bool WebCursor::DeserializePlatformData(const Pickle* pickle, void** iter) {
+  return true;
+}
+
+bool WebCursor::IsPlatformDataEqual(const WebCursor& other) const {
+  return true;
+}
+
+void WebCursor::CleanupPlatformData() {
+}
+
+void WebCursor::CopyPlatformData(const WebCursor& other) {
+}