Report error if the same uri appears in multiple summaries.

Report error if the same uri appears in multiple summaries.

Fixes #27025

R=brianwilkerson@google.com, jmesserly@google.com

Committed: https://github.com/dart-lang/sdk/commit/2afa21bb2c5b2b349f49f4147fc7e898ad1a5d64

[vsm, 2017-03-29 18:26:20]

Description was changed from

==========
Report error if the same uri appears in multiple summaries.

Fixes #27025
==========

to

==========
Report error if the same uri appears in multiple summaries.

Fixes #27025
==========

[vsm, 2017-03-29 18:26:21]

vsm@google.com changed reviewers:
+ brianwilkerson@google.com, jmesserly@google.com

[vsm, 2017-03-30 00:05:24]

PTAL

Cleaned up the error message.  This is triggering internally in a handful of
places (and hiding latent bugs) - I'm working on internal fixes of build files.

[vsm, 2017-03-30 15:01:57]

On 2017/03/30 00:05:24, vsm wrote:
> PTAL
> 
> Cleaned up the error message.  This is triggering internally in a handful of
> places (and hiding latent bugs) - I'm working on internal fixes of build
files.

Refactored and added error reporting to analyzer_cli - I was getting stack
traces testing internally.  I'd need to clean internal build rules before
landing this.

[Brian Wilkerson, 2017-03-30 16:00:03]

lgtm

[Jennifer Messerly, 2017-03-30 20:46:54]

lgtm!

[vsm, 2017-04-17 14:33:08]

Description was changed from

==========
Report error if the same uri appears in multiple summaries.

Fixes #27025
==========

to

==========
Report error if the same uri appears in multiple summaries.

Fixes #27025

R=brianwilkerson@google.com, jmesserly@google.com

Committed:
https://github.com/dart-lang/sdk/commit/2afa21bb2c5b2b349f49f4147fc7e898ad1a5d64
==========

[vsm, 2017-04-17 14:33:09]

Committed patchset #3 (id:40001) manually as
2afa21bb2c5b2b349f49f4147fc7e898ad1a5d64 (presubmit successful).