didChangeIcon    1873 content/renderer/render_frame_impl.cc void RenderFrameImpl::didChangeIcon(blink::WebLocalFrame* frame,
didChangeIcon    2520 content/renderer/render_view_impl.cc void RenderViewImpl::didChangeIcon(WebLocalFrame* frame,
didChangeIcon    1090 content/shell/renderer/test_runner/WebTestProxy.cpp void WebTestProxyBase::didChangeIcon(WebLocalFrame* frame, WebIconURL::Type)