Add some additional annotations for tracking pub performance.

Add some additional annotations for tracking pub performance.

This also makes pub print more detailed timing information in
--verbose mode.

R=rnystrom@google.com
BUG=20859
Committed: https://code.google.com/p/dart/source/detail?r=41407

[Bob Nystrom, 2014-10-14 23:54:04]

Couple of nits then LGTM!

https://codereview.chromium.org/600293002/diff/1/sdk/lib/_internal/pub/lib/sr...
File sdk/lib/_internal/pub/lib/src/barback/asset_environment.dart (right):

https://codereview.chromium.org/600293002/diff/1/sdk/lib/_internal/pub/lib/sr...
sdk/lib/_internal/pub/lib/src/barback/asset_environment.dart:84: });
How about `fine: true` here too?

https://codereview.chromium.org/600293002/diff/1/sdk/lib/_internal/pub/lib/sr...
File sdk/lib/_internal/pub/lib/src/utils.dart (right):

https://codereview.chromium.org/600293002/diff/1/sdk/lib/_internal/pub/lib/sr...
sdk/lib/_internal/pub/lib/src/utils.dart:166: /// Pads [source] to [length] by
adding [char]s at the end.
end -> beginning.

[nweiz, 2014-10-29 21:24:44]

Code review changes

[nweiz, 2014-10-29 21:24:48]

https://codereview.chromium.org/600293002/diff/1/sdk/lib/_internal/pub/lib/sr...
File sdk/lib/_internal/pub/lib/src/barback/asset_environment.dart (right):

https://codereview.chromium.org/600293002/diff/1/sdk/lib/_internal/pub/lib/sr...
sdk/lib/_internal/pub/lib/src/barback/asset_environment.dart:84: });
On 2014/10/14 23:54:04, Bob Nystrom wrote:
> How about `fine: true` here too?

Done.

https://codereview.chromium.org/600293002/diff/1/sdk/lib/_internal/pub/lib/sr...
File sdk/lib/_internal/pub/lib/src/utils.dart (right):

https://codereview.chromium.org/600293002/diff/1/sdk/lib/_internal/pub/lib/sr...
sdk/lib/_internal/pub/lib/src/utils.dart:166: /// Pads [source] to [length] by
adding [char]s at the end.
On 2014/10/14 23:54:04, Bob Nystrom wrote:
> end -> beginning.

Done.

[nweiz, 2014-10-29 21:48:11]

Committed patchset #2 (id:20001) manually as 41407 (presubmit successful).