Remove obsolete supportsEncryptedMediaMIMEType() from html_viewer.

Remove obsolete supportsEncryptedMediaMIMEType() from html_viewer.

This method has been removed from WebMimeRegistry.

BUG=385874
Committed: https://crrev.com/82fb05447756b104d3bd2e654195784cb281bc8c
Cr-Commit-Position: refs/heads/master@{#318273}

[ddorwin, 2015-02-20 05:35:02]

ddorwin@chromium.org changed reviewers:
+ aa@chromium.org

[ddorwin, 2015-02-20 05:35:03]

aa: Please review this simple removal of dead code.

[servolk, 2015-02-24 17:58:29]

On 2015/02/20 05:35:03, ddorwin wrote:
> aa: Please review this simple removal of dead code.

ping, I'm also interested in this change (since I'm planning to move around some
mime type checking code).
it looks good to me, but of course we'll need aa@ to take a look for proper sign
off

[servolk, 2015-02-24 21:48:31]

servolk@chromium.org changed reviewers:
+ ben@chromium.org, jamesr@chromium.org

[servolk, 2015-02-24 21:48:50]

On 2015/02/24 17:58:29, servolk wrote:
> On 2015/02/20 05:35:03, ddorwin wrote:
> > aa: Please review this simple removal of dead code.
> 
> ping, I'm also interested in this change (since I'm planning to move around
some
> mime type checking code).
> it looks good to me, but of course we'll need aa@ to take a look for proper
sign
> off

+ mojo/OWNERS

[jamesr, 2015-02-24 21:51:12]

aa - do you plan to look at this?

[jamesr, 2015-02-26 18:14:23]

lgtm

[ddorwin, 2015-02-26 18:18:14]

The CQ bit was checked by ddorwin@chromium.org

[commit-bot: I haz the power, 2015-02-26 18:19:03]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/937323003/1

[commit-bot: I haz the power, 2015-02-26 18:54:18]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-02-26 18:55:54]

Patchset 1 (id:??) landed as
https://crrev.com/82fb05447756b104d3bd2e654195784cb281bc8c
Cr-Commit-Position: refs/heads/master@{#318273}