Fix an analyzer error in http and barback.

Fix an analyzer error in http and barback.

R=rnystrom@google.com
BUG=

Committed: https://code.google.com/p/dart/source/detail?r=30331

[Bob Nystrom, 2013-11-16 00:59:16]

lgtm

https://codereview.chromium.org/62443006/diff/1/pkg/barback/lib/src/utils.dart
File pkg/barback/lib/src/utils.dart (right):

https://codereview.chromium.org/62443006/diff/1/pkg/barback/lib/src/utils.dar...
pkg/barback/lib/src/utils.dart:89: return new Uint8List.view((input as
TypedData).buffer);
I thought the analyzer was supposed to allow this with the new type guard stuff.
Can you check with Brian and see what's going on here? Until then, add a TODO to
remove the "as" when the analyzer is smarter.

[nweiz, 2013-11-16 01:12:49]

https://codereview.chromium.org/62443006/diff/1/pkg/barback/lib/src/utils.dart
File pkg/barback/lib/src/utils.dart (right):

https://codereview.chromium.org/62443006/diff/1/pkg/barback/lib/src/utils.dar...
pkg/barback/lib/src/utils.dart:89: return new Uint8List.view((input as
TypedData).buffer);
On 2013/11/16 00:59:16, Bob Nystrom wrote:
> I thought the analyzer was supposed to allow this with the new type guard
stuff.
> Can you check with Brian and see what's going on here? Until then, add a TODO
to
> remove the "as" when the analyzer is smarter.

Done.

[nweiz, 2013-11-16 01:13:09]

Committed patchset #2 manually as r30331 (presubmit successful).