setComposition    227 Source/core/editing/InputMethodController.cpp void InputMethodController::setComposition(const String& text, const Vector<CompositionUnderline>& underlines, unsigned selectionStart, unsigned selectionEnd)
setComposition    357 Source/web/WebPopupMenuImpl.cpp bool WebPopupMenuImpl::setComposition(const WebString&, const WebVector<WebCompositionUnderline>&, int, int)
setComposition   1924 Source/web/WebViewImpl.cpp bool WebViewImpl::setComposition(