Adding Blink bindings for WebGL 2

Source/core/html/canvas/WebGLFenceSync.cpp

Index: Source/core/html/canvas/WebGLFenceSync.cpp
diff --git a/Source/core/html/canvas/WebGLFenceSync.cpp b/Source/core/html/canvas/WebGLFenceSync.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..43ea11c28c6a8407729f5a68130c56c8eb7f9151
--- /dev/null
+++ b/Source/core/html/canvas/WebGLFenceSync.cpp
@@ -0,0 +1,28 @@
+// 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/WebGLFenceSync.h"
+
+#include "core/html/canvas/WebGL2RenderingContextBase.h"
+
+namespace blink {
+
+PassRefPtrWillBeRawPtr<WebGLSync> WebGLFenceSync::create(WebGL2RenderingContextBase* ctx, GLenum condition, GLbitfield flags)
+{
+    return adoptRefWillBeNoop(new WebGLFenceSync(ctx, condition, flags));
+}
+
+WebGLFenceSync::~WebGLFenceSync()
+{
+}
+
+WebGLFenceSync::WebGLFenceSync(WebGL2RenderingContextBase* ctx, GLenum condition, GLbitfield flags)
+    : WebGLSync(ctx, GL_SYNC_FENCE)
+{
+    setObject(ctx->webContext()->fenceSync(condition, flags));
+}
+
+} // namespace blink