Move errors for bad imports and exports to the directive

Move errors for bad imports and exports to the directive

This is to ensure that error.source matches the source of
the ChangeNotice it appears in and the analysis server will
report the error together with other errors for the same file.

(Moving the error seems easier than figuring out how to put it
on a different Source, and it might be that the import/export
is at fault anyway.)

BUG=https://github.com/dart-lang/sdk/issues/25826
R=brianwilkerson@google.com

Committed: https://github.com/dart-lang/sdk/commit/b9e03197638107a89706dae387e8e733992ecbcc

[skybrian, 2016-02-25 03:40:36]

skybrian@google.com changed reviewers:
+ brianwilkerson@google.com

[Brian Wilkerson, 2016-02-25 15:24:57]

LGTM

[skybrian, 2016-02-25 19:48:32]

Description was changed from

==========
Move errors for bad imports and exports to the directive

This is to ensure that error.source matches the source of
the ChangeNotice it appears in and the analysis server will
report the error together with other errors for the same file.

(Moving the error seems easier than figuring out how to put it
on a different Source, and it might be that the import/export
is at fault anyway.)

BUG=https://github.com/dart-lang/sdk/issues/25826
==========

to

==========
Move errors for bad imports and exports to the directive

This is to ensure that error.source matches the source of
the ChangeNotice it appears in and the analysis server will
report the error together with other errors for the same file.

(Moving the error seems easier than figuring out how to put it
on a different Source, and it might be that the import/export
is at fault anyway.)

BUG=https://github.com/dart-lang/sdk/issues/25826
R=brianwilkerson@google.com

Committed:
https://github.com/dart-lang/sdk/commit/b9e03197638107a89706dae387e8e733992ecbcc
==========

[skybrian, 2016-02-25 19:48:34]

Committed patchset #1 (id:1) manually as
b9e03197638107a89706dae387e8e733992ecbcc (presubmit successful).