Go to chrome://settings/languages
A window will open, Below "languages" click "Add", add the German language, after that click "German Keyboard" on Input Methods.
You should be able now to switch between US and German keyboards using the "alt-shift" combination.
A window will open, Below "languages" click "Add", add the German language, after that click "German Keyboard" on Input Methods.
You should be able now to switch between US and German keyboards using the "alt-shift" combination.