MdSnackbar with injectable data

[jurafa]

Bug, feature request, or proposal:

feature request

What is the expected behavior?

MdSnackBar.openFromComponent should allow specifying data being injected into the component in a similar fashion as it works in MdDialog.

What is the current behavior?

MdSnackBar.openFromComponent only lets you choose the component to be rendered but the caller has no option how to parameterize the component.

What is the use-case or motivation for changing an existing behavior?

One use-case might be to use the MdSnackBar for showing logs. A user might want to have a template for error logs and a different template for info logs. He can use MdSnackbar.openFromComponent to choose the template but he cannot inject the actual message into the template component.

Which versions of Angular, Material, OS, TypeScript, browsers are affected?

reported in @angular/material 2.0.0-beta.7

[jurafa]

Similar issue is with MdSnackbarRef object. It should be injected into component rendered using MdSnackbar.openFromComponent as it is in MdDialog component.

Trying to inject MdSnackbarRef object causes No provider for MdSnackBarRef! exception.

Plunker: https://embed.plnkr.co/R7Uje3/

Motivation:
Component used as a template should be able to manipulate with the snackbar component. For example, the template might contain a close button that must close the snackbar itself.

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