Remove tons of OILPAN.

sky/engine/core/html/canvas/WebGLRenderingContext.cpp

 /*
  * Copyright (C) 2009 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 120 matching lines @@
     registerExtension<WebGLCompressedTextureETC1>(m_webglCompressedTextureETC1);
     registerExtension<WebGLCompressedTexturePVRTC>(m_webglCompressedTexturePVRTC, ApprovedExtension, bothPrefixes);
     registerExtension<WebGLCompressedTextureS3TC>(m_webglCompressedTextureS3TC, ApprovedExtension, bothPrefixes);
     registerExtension<WebGLDebugRendererInfo>(m_webglDebugRendererInfo);
     registerExtension<WebGLDebugShaders>(m_webglDebugShaders);
     registerExtension<WebGLDepthTexture>(m_webglDepthTexture, ApprovedExtension, bothPrefixes);
     registerExtension<WebGLDrawBuffers>(m_webglDrawBuffers);
     registerExtension<WebGLLoseContext>(m_webglLoseContext, ApprovedExtension, bothPrefixes);
 }
 
-void WebGLRenderingContext::trace(Visitor* visitor)
-{
-    visitor->trace(m_angleInstancedArrays);
-    visitor->trace(m_extBlendMinMax);
-    visitor->trace(m_extFragDepth);
-    visitor->trace(m_extShaderTextureLOD);
-    visitor->trace(m_extTextureFilterAnisotropic);
-    visitor->trace(m_oesTextureFloat);
-    visitor->trace(m_oesTextureFloatLinear);
-    visitor->trace(m_oesTextureHalfFloat);
-    visitor->trace(m_oesTextureHalfFloatLinear);
-    visitor->trace(m_oesStandardDerivatives);
-    visitor->trace(m_oesVertexArrayObject);
-    visitor->trace(m_oesElementIndexUint);
-    visitor->trace(m_webglLoseContext);
-    visitor->trace(m_webglDebugRendererInfo);
-    visitor->trace(m_webglDebugShaders);
-    visitor->trace(m_webglDrawBuffers);
-    visitor->trace(m_webglCompressedTextureATC);
-    visitor->trace(m_webglCompressedTextureETC1);
-    visitor->trace(m_webglCompressedTexturePVRTC);
-    visitor->trace(m_webglCompressedTextureS3TC);
-    visitor->trace(m_webglDepthTexture);
-    WebGLRenderingContextBase::trace(visitor);
-}
-
 } // namespace blink