Adding Blink bindings for WebGL 2

Source/core/html/canvas/WebGLTransformFeedback.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 "config.h"
+
+#include "core/html/canvas/WebGLTransformFeedback.h"
+
+#include "core/html/canvas/WebGL2RenderingContextBase.h"
+
+namespace blink {
+
+PassRefPtrWillBeRawPtr<WebGLTransformFeedback> WebGLTransformFeedback::create(WebGL2RenderingContextBase* ctx)
+{
+    return adoptRefWillBeNoop(new WebGLTransformFeedback(ctx));
+}
+
+WebGLTransformFeedback::~WebGLTransformFeedback()
+{
+    deleteObject(0);
+}
+
+WebGLTransformFeedback::WebGLTransformFeedback(WebGL2RenderingContextBase* ctx)
+    : WebGLSharedObject(ctx)
+{
+    setObject(ctx->webContext()->createTransformFeedback());
+}
+
+void WebGLTransformFeedback::deleteObjectImpl(blink::WebGraphicsContext3D* context3d, Platform3DObject object)
+{
+    context3d->deleteTransformFeedback(object);
+}
+
+} // namespace blink