showText()

[redbassett]

Add a method to both set the toast's text and fire its show() method in one step.

This allows the following to be combined into one line:

myToast.text = "Hello World!";
myToast.show();

myToast.showText("Hello World!");

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[redbassett]

I signed it

[googlebot]

CLAs look good, thanks!

[cdata]

Hey, thanks for the contribution. Our contributor guidelines ask that you open an issue to discuss design before offering an implementation. You can read more about that here: https://github.com/PolymerElements/paper-toast/blob/master/CONTRIBUTING.md

I'm going to close this for now pending further discussion of the design in an issue.