Change how instance/list/map references are displayed when expanded.

Change how instance/list/map references are displayed when expanded.

The goal is to not indent as deeply as we were doing before.  Stop
using tables.

BUG=
R=rmacnak@google.com

Committed: https://github.com/dart-lang/sdk/commit/1587f88c2da2fc722ddc36f77830f6d360410108

[turnidge, 2015-08-25 21:37:25]

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

[rmacnak, 2015-08-25 21:53:47]

https://codereview.chromium.org/1314763005/diff/1/runtime/observatory/lib/src...
File runtime/observatory/lib/src/elements/instance_ref.html (right):

https://codereview.chromium.org/1314763005/diff/1/runtime/observatory/lib/src...
runtime/observatory/lib/src/elements/instance_ref.html:62: <a on-click="{{ goto
}}" _href="{{ url }}"><em>List</em> ({{ ref.length }})</a>
Loses ability to distinguish Array, ImmutableArray and GrowableList.

[turnidge, 2015-08-26 17:12:45]

Please take another look.

https://codereview.chromium.org/1314763005/diff/1/runtime/observatory/lib/src...
File runtime/observatory/lib/src/elements/instance_ref.html (right):

https://codereview.chromium.org/1314763005/diff/1/runtime/observatory/lib/src...
runtime/observatory/lib/src/elements/instance_ref.html:62: <a on-click="{{ goto
}}" _href="{{ url }}"><em>List</em> ({{ ref.length }})</a>
On 2015/08/25 21:53:47, rmacnak wrote:
> Loses ability to distinguish Array, ImmutableArray and GrowableList.

Reverted the behavior.

[rmacnak, 2015-08-26 17:13:07]

lgtm

[turnidge, 2015-08-26 18:20:12]

Committed patchset #3 (id:40001) manually as
1587f88c2da2fc722ddc36f77830f6d360410108 (presubmit successful).