validateHTMLImageElement 3417 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost() || !validateHTMLImageElement("texImage2D", image, exceptionState))
validateHTMLImageElement 3660 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost() || !validateHTMLImageElement("texSubImage2D", image, exceptionState))
validateHTMLImageElement  823 Source/core/html/canvas/WebGLRenderingContextBase.h     bool validateHTMLImageElement(const char* functionName, HTMLImageElement*, ExceptionState&);