http://dl.google.com/update2/installers/ChromeSetup.exe (It's - naturally - just the loader.)
Update: new urls from various sources: http://gpdl.google.com/chrome/install/149.27/chrome_installer.exe http://cache.googlevideo.com/chrome/install/149.27/chrome_installer.exe
Well it seems that for now the worst thing about Google Chrome is it's EULA that sucks at epic levels as exposed by tapthehive.com: http://tapthehive.com/discuss/This_Post_Not_Made_In_Chrome_Google_s_EULA_Sucks
Update 2: original tracking url and Google Chrome EULA.