Avoid duplicate keys in uri Map

[natebosch]

https://github.com/angular/angular.dart/issues/1733

[googlebot]

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[natebosch]

I've changed my public email on my github profile to my @google.com to see if googlebot keeps pestering me. I'm not sure if it has something to do with making the changes through the github UI rather than pulling the repository down to my dekstop...

On Wed, Jul 22, 2015 at 3:23 PM googlebot notifications@github.com wrote:

Thanks for your pull request. It looks like this may be your first contribution to a Google open source project, in which case you'll need to sign a Contributor License Agreement (CLA).

[image: :memo:] Please visit https://cla.developers.google.com/ https://cla.developers.google.com/ to sign.

Once you've signed, please reply here (e.g. I signed it!) and we'll

verify. Thanks.

• If you've already signed a CLA, it's possible we don't have your GitHub username or you're using a different email address. Check your existing CLA data https://cla.developers.google.com/clas and verify that your email is set on your git commits https://help.github.com/articles/setting-your-email-in-git/.
• If you signed the CLA as a corporation, please let us know the company's name.

— Reply to this email directly or view it on GitHub https://github.com/angular/angular.dart/pull/1734#issuecomment-123887885 .

[googlebot]

CLAs look good, thanks!