Add Debugger.inspect. 1976 here we come!

Add Debugger.inspect. 1976 here we come!

R=johnmccutchan@google.com

Committed: https://code.google.com/p/dart/source/detail?r=45664

[rmacnak, 2015-05-08 18:25:29]

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

[Cutch, 2015-05-08 21:46:12]

LGTM after:

1) 'dart:debugger' -> 'dart:developer' rebase.
2) A no-op implementation for dart2js.
3) A non-service test (to make sure that the no-op case works) that runs on the
dart2js and vm bots.

[rmacnak, 2015-05-08 22:18:17]

On 2015/05/08 21:46:12, Cutch wrote:
> LGTM after:
> 
> 1) 'dart:debugger' -> 'dart:developer' rebase.
> 2) A no-op implementation for dart2js.
> 3) A non-service test (to make sure that the no-op case works) that runs on
the
> dart2js and vm bots.

Done.

[rmacnak, 2015-05-08 22:19:02]

Committed patchset #3 (id:40001) manually as 45664 (presubmit successful).