Adding Blink bindings for WebGL 2

Source/core/html/canvas/WebGLQuery.cpp

Index: Source/core/html/canvas/WebGLQuery.cpp
diff --git a/Source/core/html/canvas/WebGLQuery.cpp b/Source/core/html/canvas/WebGLQuery.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..5beb92895d0086767fa1d5ac4f804a2233e41448
--- /dev/null
+++ b/Source/core/html/canvas/WebGLQuery.cpp
@@ -0,0 +1,34 @@
+// 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/WebGLQuery.h"
+
+#include "core/html/canvas/WebGL2RenderingContextBase.h"
+
+namespace blink {
+
+PassRefPtrWillBeRawPtr<WebGLQuery> WebGLQuery::create(WebGL2RenderingContextBase* ctx)
+{
+    return adoptRefWillBeNoop(new WebGLQuery(ctx));
+}
+
+WebGLQuery::~WebGLQuery()
+{
+    deleteObject(0);
+}
+
+WebGLQuery::WebGLQuery(WebGL2RenderingContextBase* ctx)
+    : WebGLSharedObject(ctx)
+{
+    // setObject(ctx->graphicsContext3D()->createQuery());

[dshwang, 2015/02/04 14:05:22]

could you add comment?

+}
+
+void WebGLQuery::deleteObjectImpl(blink::WebGraphicsContext3D* context3d, Platform3DObject object)
+{
+    // context3d->deleteQuery(object);
+}
+
+} // namespace blink