Add dart:developer.postEvent for posting events to the service protocol from Dart code

Add dart:developer.postEvent for posting events to the service protocol from Dart code

- Add dart:developer.postEvent for posting events to the service protocol.
- Add 'Extension' service protocol event stream.
- Unit test.
- Update service.md

- Bug fix for logging stream.

R=turnidge@google.com

Committed: https://github.com/dart-lang/sdk/commit/89c49b9e87a08f553a5f3c92f3d50dcb6e9ad77d

[Cutch, 2015-12-16 23:20:13]

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

[Cutch, 2015-12-16 23:21:50]

Description was changed from

==========
Add dart:developer.postEvent for posting events to the service protocol from
Dart code
==========

to

==========
Add dart:developer.postEvent for posting events to the service protocol from
Dart code

- Add dart:developer.postEvent for posting events to the service protocol.
- Add 'Extension' service protocol event stream.
- Unit test.

- Bug fix for logging stream.
==========

[Cutch, 2015-12-16 23:21:59]

Description was changed from

==========
Add dart:developer.postEvent for posting events to the service protocol from
Dart code

- Add dart:developer.postEvent for posting events to the service protocol.
- Add 'Extension' service protocol event stream.
- Unit test.

- Bug fix for logging stream.
==========

to

==========
Add dart:developer.postEvent for posting events to the service protocol from
Dart code

- Add dart:developer.postEvent for posting events to the service protocol.
- Add 'Extension' service protocol event stream.
- Unit test.
- Update service.md

- Bug fix for logging stream.
==========

[turnidge, 2015-12-17 17:27:15]

lgtm

https://codereview.chromium.org/1537523002/diff/1/runtime/vm/service/service.md
File runtime/vm/service/service.md (right):

https://codereview.chromium.org/1537523002/diff/1/runtime/vm/service/service....
runtime/vm/service/service.md:1157: object extensionData [optional];
Change this to ExtensionData or something as discussed offline.

[Cutch, 2015-12-17 17:34:39]

https://codereview.chromium.org/1537523002/diff/1/runtime/vm/service/service.md
File runtime/vm/service/service.md (right):

https://codereview.chromium.org/1537523002/diff/1/runtime/vm/service/service....
runtime/vm/service/service.md:1157: object extensionData [optional];
On 2015/12/17 17:27:15, turnidge wrote:
> Change this to ExtensionData or something as discussed offline.

Added ExtensionData.

[Cutch, 2015-12-17 17:34:56]

Description was changed from

==========
Add dart:developer.postEvent for posting events to the service protocol from
Dart code

- Add dart:developer.postEvent for posting events to the service protocol.
- Add 'Extension' service protocol event stream.
- Unit test.
- Update service.md

- Bug fix for logging stream.
==========

to

==========
Add dart:developer.postEvent for posting events to the service protocol from
Dart code

- Add dart:developer.postEvent for posting events to the service protocol.
- Add 'Extension' service protocol event stream.
- Unit test.
- Update service.md

- Bug fix for logging stream.

R=turnidge@google.com

Committed:
https://github.com/dart-lang/sdk/commit/89c49b9e87a08f553a5f3c92f3d50dcb6e9ad77d
==========

[Cutch, 2015-12-17 17:34:57]

Committed patchset #4 (id:60001) manually as
89c49b9e87a08f553a5f3c92f3d50dcb6e9ad77d (presubmit successful).