Clean up observatory testing processes when we are done with them.

Clean up observatory testing processes when we are done with them.

BUG=
R=johnmccutchan@google.com

Committed: https://code.google.com/p/dart/source/detail?r=44742

[turnidge, 2015-03-26 19:27:40]

turnidge@google.com changed reviewers:
+ johnmccutchan@google.com

[Cutch, 2015-03-27 00:00:05]

lgtm

[Ivan Posva, 2015-03-27 07:51:35]

iposva@google.com changed reviewers:
+ iposva@google.com

[Ivan Posva, 2015-03-27 07:51:36]

DBC -ip

https://codereview.chromium.org/1035943005/diff/20001/runtime/bin/vmservice/v...
File runtime/bin/vmservice/vmservice_io.dart (right):

https://codereview.chromium.org/1035943005/diff/20001/runtime/bin/vmservice/v...
runtime/bin/vmservice/vmservice_io.dart:35: print("Error in vm-service:
$e\n$st\nExiting...");
How about "Error in vm-service shutdown"? To make clear in which phase this
message was generated.

[turnidge, 2015-03-27 16:01:37]

https://codereview.chromium.org/1035943005/diff/20001/runtime/bin/vmservice/v...
File runtime/bin/vmservice/vmservice_io.dart (right):

https://codereview.chromium.org/1035943005/diff/20001/runtime/bin/vmservice/v...
runtime/bin/vmservice/vmservice_io.dart:35: print("Error in vm-service:
$e\n$st\nExiting...");
On 2015/03/27 07:51:36, Ivan Posva wrote:
> How about "Error in vm-service shutdown"? To make clear in which phase this
> message was generated.

Done.

[turnidge, 2015-03-27 16:09:18]

Committed patchset #4 (id:60001) manually as 44742 (presubmit successful).