Remove tons of OILPAN.

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

Index: sky/engine/core/html/canvas/WebGLRenderingContextBase.cpp
diff --git a/sky/engine/core/html/canvas/WebGLRenderingContextBase.cpp b/sky/engine/core/html/canvas/WebGLRenderingContextBase.cpp
index 893bfd17c7f116f7e3a4672b21a3ea0473fd4446..cae6902e8fc5e19bca51963b865f37ac101fc5c1 100644
--- a/sky/engine/core/html/canvas/WebGLRenderingContextBase.cpp
+++ b/sky/engine/core/html/canvas/WebGLRenderingContextBase.cpp
@@ -504,11 +504,6 @@ public:
 
     virtual void onContextLost() { m_context->forceLostContext(WebGLRenderingContextBase::RealLostContext, WebGLRenderingContextBase::Auto); }
 
-    void trace(Visitor* visitor)
-    {
-        visitor->trace(m_context);
-    }
-
 private:
     explicit WebGLRenderingContextLostCallback(WebGLRenderingContextBase* context)
         : m_context(context) { }
@@ -532,11 +527,6 @@ public:
             m_context->printGLErrorToConsole(message);
     }
 
-    void trace(Visitor* visitor)
-    {
-        visitor->trace(m_context);
-    }
-
 private:
     explicit WebGLRenderingContextErrorMessageCallback(WebGLRenderingContextBase* context)
         : m_context(context) { }
@@ -5612,34 +5602,6 @@ void WebGLRenderingContextBase::findNewMaxNonDefaultTextureUnit()
     m_onePlusMaxNonDefaultTextureUnit = 0;
 }
 
-void WebGLRenderingContextBase::TextureUnitState::trace(Visitor* visitor)
-{
-    visitor->trace(m_texture2DBinding);
-    visitor->trace(m_textureCubeMapBinding);
-}
-
-void WebGLRenderingContextBase::trace(Visitor* visitor)
-{
-#if ENABLE(OILPAN)
-    visitor->trace(m_contextObjects);
-#endif
-    visitor->trace(m_contextLostCallbackAdapter);
-    visitor->trace(m_errorMessageCallbackAdapter);
-    visitor->trace(m_boundArrayBuffer);
-    visitor->trace(m_defaultVertexArrayObject);
-    visitor->trace(m_boundVertexArrayObject);
-    visitor->trace(m_vertexAttrib0Buffer);
-    visitor->trace(m_currentProgram);
-    visitor->trace(m_framebufferBinding);
-    visitor->trace(m_renderbufferBinding);
-    visitor->trace(m_textureUnits);
-    visitor->trace(m_blackTexture2D);
-    visitor->trace(m_blackTextureCubeMap);
-    visitor->trace(m_requestedAttributes);
-    visitor->trace(m_extensions);
-    CanvasRenderingContext::trace(visitor);
-}
-
 #if ENABLE(OILPAN)
 PassRefPtr<WebGLSharedWebGraphicsContext3D> WebGLRenderingContextBase::sharedWebGraphicsContext3D() const
 {