I am running macOS High Sierra (10.13.6) and using Chrome (71.0.3578.98). I am a web developer and want to quickly activate the "Device Toolbar" via a keyboard shortcut so I can toggle between views for desktop and mobile.
When I have the DevTools window open on a site and hover over the icon that allows me to do this via mouse click it says there's a shortcut of Command+Shift+M.
However, whenever I press this key combination nothing happens. There is a similar key combination shortcut of Command+Shift+C that allows me to "Select an element in the page to inspect it" which works without issue.
I have removed and deselected any system-wide macOS shortcuts that would use this key combination. Similarly, I don't have any app-specific shortcuts configured in the system settings for Chrome that use this key combination. Finally, I have no other third-party app running which overrides or blocks this key combination.
Why isn't this working as expected?