getExtension      362 Source/bindings/v8/custom/V8WebGLRenderingContextCustom.cpp     RefPtr<WebGLExtension> extension(impl->getExtension(name));
getExtension     2144 Source/core/html/canvas/WebGLRenderingContextBase.cpp             RefPtr<WebGLExtension> extension = tracker->getExtension(this);
getExtension      189 Source/core/html/canvas/WebGLRenderingContextBase.h     PassRefPtr<WebGLExtension> getExtension(const String& name);
getExtension      577 Source/core/html/canvas/WebGLRenderingContextBase.h         virtual PassRefPtr<WebGLExtension> getExtension(WebGLRenderingContextBase*) = 0;
getExtension      607 Source/core/html/canvas/WebGLRenderingContextBase.h         virtual PassRefPtr<WebGLExtension> getExtension(WebGLRenderingContextBase* context) OVERRIDE