AppendMirrorRequestHeaderIfPossible 385 chrome/browser/renderer_host/chrome_resource_dispatcher_host_delegate.cc signin::AppendMirrorRequestHeaderIfPossible( AppendMirrorRequestHeaderIfPossible 678 chrome/browser/renderer_host/chrome_resource_dispatcher_host_delegate.cc signin::AppendMirrorRequestHeaderIfPossible(request, redirect_url, io_data, AppendMirrorRequestHeaderIfPossible 24 chrome/browser/signin/signin_header_helper.h void AppendMirrorRequestHeaderIfPossible(