| Index: Source/core/html/canvas/WebGLFramebuffer.cpp | 
| diff --git a/Source/core/html/canvas/WebGLFramebuffer.cpp b/Source/core/html/canvas/WebGLFramebuffer.cpp | 
| index 8065af8f703d09e55c2a07b5bfdc1f8e9bdcdd64..7514af65411b7ded4f779d951b576dd2d7f6ef31 100644 | 
| --- a/Source/core/html/canvas/WebGLFramebuffer.cpp | 
| +++ b/Source/core/html/canvas/WebGLFramebuffer.cpp | 
| @@ -630,7 +630,9 @@ GLenum WebGLFramebuffer::getDrawBuffer(GLenum drawBuffer) | 
|  | 
| void WebGLFramebuffer::trace(Visitor* visitor) | 
| { | 
| +#if ENABLE(OILPAN) | 
| visitor->trace(m_attachments); | 
| +#endif | 
| WebGLContextObject::trace(visitor); | 
| } | 
|  | 
|  |