[Oilpan] Migrate classes under module/webgl onto oilpan heap

Source/modules/webgl/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 "modules/webgl/WebGLTransformFeedback.h"
 
 #include "modules/webgl/WebGL2RenderingContextBase.h"
 
 namespace blink {
 
-PassRefPtrWillBeRawPtr<WebGLTransformFeedback> WebGLTransformFeedback::create(WebGL2RenderingContextBase* ctx)
+WebGLTransformFeedback* WebGLTransformFeedback::create(WebGL2RenderingContextBase* ctx)
 {
-    return adoptRefWillBeNoop(new WebGLTransformFeedback(ctx));
+    return new WebGLTransformFeedback(ctx);
 }
 
 WebGLTransformFeedback::~WebGLTransformFeedback()
 {
     // Always call detach here to ensure that platform object deletion
     // happens with Oilpan enabled. It keeps the code regular to do it
     // with or without Oilpan enabled.
     //
     // See comment in WebGLBuffer's destructor for additional
     // information on why this is done for WebGLSharedObject-derived
@@ skipping 16 matching lines @@
 
 void WebGLTransformFeedback::setTarget(GLenum target)
 {
     if (m_target)
         return;
     if (target == GL_TRANSFORM_FEEDBACK)
         m_target = target;
 }
 
 } // namespace blink