CefDisplayHandlerOnFullscreenModeChange Method

Called when web content in the page has toggled fullscreen mode. If |fullscreen| is true the content will automatically be sized to fill the browser content area. If |fullscreen| is false the content will automatically return to its original size and position. The client is responsible for resizing the browser if desired.

protected virtual void OnFullscreenModeChange(
	CefBrowser browser,
	bool fullscreen
)