Oilpan: eagerly finalize WebGLRenderingContext objects.

Source/core/html/canvas/WebGL2RenderingContextBase.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/WebGL2RenderingContextBase.h"
 
 #include "bindings/core/v8/WebGLAny.h"
 #include "core/html/HTMLCanvasElement.h"
 #include "core/html/HTMLImageElement.h"
@@ skipping 29 matching lines @@
 } // namespace
 
 WebGL2RenderingContextBase::WebGL2RenderingContextBase(HTMLCanvasElement* passedCanvas, PassOwnPtr<WebGraphicsContext3D> context, const WebGLContextAttributes& requestedAttributes)
     : WebGLRenderingContextBase(passedCanvas, context, requestedAttributes)
 {
 
 }
 
 WebGL2RenderingContextBase::~WebGL2RenderingContextBase()
 {
-#if !ENABLE(OILPAN)
     m_readFramebufferBinding = nullptr;
 
     m_boundCopyReadBuffer = nullptr;
     m_boundCopyWriteBuffer = nullptr;
     m_boundPixelPackBuffer = nullptr;
     m_boundPixelUnpackBuffer = nullptr;
     m_boundTransformFeedbackBuffer = nullptr;
     m_boundUniformBuffer = nullptr;
-#endif
 }
 
 void WebGL2RenderingContextBase::initializeNewContext()
 {
     ASSERT(!isContextLost());
     ASSERT(drawingBuffer());
 
     m_readFramebufferBinding = nullptr;
 
     m_boundCopyReadBuffer = nullptr;
@@ skipping 2008 matching lines @@
         m_boundPixelUnpackBuffer = nullptr;
     if (m_boundTransformFeedbackBuffer == buffer)
         m_boundTransformFeedbackBuffer = nullptr;
     if (m_boundUniformBuffer == buffer)
         m_boundUniformBuffer = nullptr;
 
     WebGLRenderingContextBase::removeBoundBuffer(buffer);
 }
 
 } // namespace blink