Added a flag package-root for users to define where the package directory is.

Added a flag package-root for users to define where the package directory is.

R=efortuna@google.com

Committed: https://code.google.com/p/dart/source/detail?r=24647

[janicejl, 2013-06-28 21:29:36]

https://codereview.chromium.org/18233004/diff/1/pkg/docgen/lib/src/dart2js_mi...
File pkg/docgen/lib/src/dart2js_mirrors.dart (left):

https://codereview.chromium.org/18233004/diff/1/pkg/docgen/lib/src/dart2js_mi...
pkg/docgen/lib/src/dart2js_mirrors.dart:6: 
Removed this file because it is not used in docgen anymore. I thought it was
deleted last week, but guess I missed it.

[Emily Fortuna, 2013-07-01 18:51:57]

https://codereview.chromium.org/18233004/diff/1/pkg/docgen/lib/docgen.dart
File pkg/docgen/lib/docgen.dart (right):

https://codereview.chromium.org/18233004/diff/1/pkg/docgen/lib/docgen.dart#ne...
pkg/docgen/lib/docgen.dart:122: // files with paths not containing '/packages'
to avoid analyzing them twice,
files -> Files

also make this an actual sentence :-)

[janicejl, 2013-07-01 18:59:23]

https://codereview.chromium.org/18233004/diff/1/pkg/docgen/lib/docgen.dart
File pkg/docgen/lib/docgen.dart (right):

https://codereview.chromium.org/18233004/diff/1/pkg/docgen/lib/docgen.dart#ne...
pkg/docgen/lib/docgen.dart:122: // files with paths not containing '/packages'
to avoid analyzing them twice,
On 2013/07/01 18:51:57, Emily Fortuna wrote:
> files -> Files
> 
> also make this an actual sentence :-)

Done.

[Emily Fortuna, 2013-07-01 19:00:34]

lgtm

[janicejl, 2013-07-01 19:43:41]

Committed patchset #2 manually as r24647 (presubmit successful).