Avoid leaking objects that should be collected after tree-shaking.

Avoid leaking objects that should be collected after tree-shaking.

Added handle scopes to ensure that no objects leak through handles
to after tree-shaking where we expect no instances of dropped classes
being around.

BUG=dartbug.com/26515
R=rmacnak@google.com

Committed: https://github.com/dart-lang/sdk/commit/3344a6f6f437757cfc2f5306ffde23e645c266e9

[Florian Schneider, 2016-05-24 12:58:35]

Description was changed from

==========
Avoid leaking objects that should be collected after tree-shaking.

Added handle scopes to ensure that no objects leak through handles
to after tree-shaking where we expect no instances of dropped classes
being around.

BUG=
==========

to

==========
Avoid leaking objects that should be collected after tree-shaking.

Added handle scopes to ensure that no objects leak through handles
to after tree-shaking where we expect no instances of dropped classes
being around.

BUG=dartbug.com/26515
==========

[rmacnak, 2016-05-24 19:53:41]

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

[rmacnak, 2016-05-24 19:53:42]

LGTM

[Florian Schneider, 2016-05-25 14:15:42]

Description was changed from

==========
Avoid leaking objects that should be collected after tree-shaking.

Added handle scopes to ensure that no objects leak through handles
to after tree-shaking where we expect no instances of dropped classes
being around.

BUG=dartbug.com/26515
==========

to

==========
Avoid leaking objects that should be collected after tree-shaking.

Added handle scopes to ensure that no objects leak through handles
to after tree-shaking where we expect no instances of dropped classes
being around.

BUG=dartbug.com/26515
R=rmacnak@google.com

Committed:
https://github.com/dart-lang/sdk/commit/3344a6f6f437757cfc2f5306ffde23e645c266e9
==========

[Florian Schneider, 2016-05-25 14:15:43]

Committed patchset #3 (id:40001) manually as
3344a6f6f437757cfc2f5306ffde23e645c266e9 (presubmit successful).