FindJavaScriptFrame  889 src/frames.h     JavaScriptFrame* FindJavaScriptFrame(int n);
FindJavaScriptFrame  472 src/ic.cc          JavaScriptFrame* frame = locator.FindJavaScriptFrame(0);
FindJavaScriptFrame  500 src/ic.cc          JavaScriptFrame* frame = locator.FindJavaScriptFrame(0);
FindJavaScriptFrame 11612 src/runtime.cc   JavaScriptFrame* frame = locator.FindJavaScriptFrame(0);