Oilpan: eagerly finalize WebGLRenderingContext objects.

Source/core/html/canvas/WebGLContextObject.cpp

 /*
  * Copyright (C) 2011 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 10 matching lines @@
  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "config.h"
 
 #include "core/html/canvas/WebGLContextObject.h"
 
 #include "core/html/canvas/WebGLRenderingContextBase.h"
-#include "core/html/canvas/WebGLSharedWebGraphicsContext3D.h"
 
 namespace blink {
 
 WebGLContextObject::WebGLContextObject(WebGLRenderingContextBase* context)
     : WebGLObject(context)
     , m_context(context)
-#if ENABLE(OILPAN)
-    , m_sharedWebGraphicsContext3D(context->sharedWebGraphicsContext3D())
-#endif
 {
 }
 
 WebGLContextObject::~WebGLContextObject()
 {
 #if !ENABLE(OILPAN)
     if (m_context)
         m_context->removeContextObject(this);
 #endif
 }
 
 void WebGLContextObject::detachContext()
 {
     detach();
     if (m_context) {
         deleteObject(m_context->webContext());
         m_context->removeContextObject(this);
         m_context = nullptr;
-#if ENABLE(OILPAN)
-        m_sharedWebGraphicsContext3D.clear();
-#endif
     }
 }
 
 WebGraphicsContext3D* WebGLContextObject::getAWebGraphicsContext3D() const
 {
-#if ENABLE(OILPAN)
-    return m_sharedWebGraphicsContext3D ? m_sharedWebGraphicsContext3D->webContext() : 0;
-#else
     return m_context ? m_context->webContext() : 0;
-#endif
 }
 
 DEFINE_TRACE(WebGLContextObject)
 {
     visitor->trace(m_context);
     WebGLObject::trace(visitor);
 }
 
 } // namespace blink