Begin migration of InterruptableThreadState into Thread.

Begin migration of InterruptableThreadState into Thread.

Move the field from Isolate to Thread::state_ to allow using a single thread local key.

Profiling is still only enabled for the Dart mutator thread.

The next step is to migrate the VM tags.

BUG=
R=johnmccutchan@google.com

Committed: https://github.com/dart-lang/sdk/commit/df448e21dac3dad2176295c5906c5d453ec09390

[koda, 2015-08-04 02:22:23]

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

[Cutch, 2015-08-04 13:02:29]

lgtm

https://codereview.chromium.org/1261923008/diff/40001/runtime/vm/isolate.h
File runtime/vm/isolate.h (right):

https://codereview.chromium.org/1261923008/diff/40001/runtime/vm/isolate.h#ne...
runtime/vm/isolate.h:637: return mutator_thread_ == NULL ? NULL :
mutator_thread_->thread_state();
(mutator_thread_ == NULL)

[koda, 2015-08-05 00:50:45]

On 2015/08/04 13:02:29, Cutch wrote:
> lgtm
> 
> https://codereview.chromium.org/1261923008/diff/40001/runtime/vm/isolate.h
> File runtime/vm/isolate.h (right):
> 
>
https://codereview.chromium.org/1261923008/diff/40001/runtime/vm/isolate.h#ne...
> runtime/vm/isolate.h:637: return mutator_thread_ == NULL ? NULL :
> mutator_thread_->thread_state();
> (mutator_thread_ == NULL)

Done.

Thanks for the fast response, but I might hold off with submitting until after
the branch for 1.12, since this change is a refactoring of some fairly low-level
code, with relatively high risk/benefit ratio.

[koda, 2015-08-07 17:29:01]

Committed patchset #4 (id:50008) manually as
df448e21dac3dad2176295c5906c5d453ec09390 (presubmit successful).

[kevmoo, 2015-08-07 19:01:42]

On 2015/08/07 17:29:01, koda wrote:
> Committed patchset #4 (id:50008) manually as
> df448e21dac3dad2176295c5906c5d453ec09390 (presubmit successful).

Looks like a couple of files snuck in accidentally: perf.data and perf.data.old