setContentLanguage 2946 Source/core/dom/Document.cpp         setContentLanguage(content);
setContentLanguage  364 Source/core/dom/Document.h     void setContentLanguage(const AtomicString&);
setContentLanguage  377 Source/core/loader/FrameLoader.cpp                 m_frame->document()->setContentLanguage(AtomicString(headerContentLanguage));