Improve precision of stacktrace_test

Improve precision of stacktrace_test

R=sigmund@google.com

Committed: https://github.com/dart-lang/sdk/commit/ec71517bc8b16ea946a1d8c3ae136677c60b8262

[Johnni Winther, 2017-01-26 13:36:22]

Description was changed from

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Improve precision of stacktrace_test

Closes #28442
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to

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Improve precision of stacktrace_test
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[Johnni Winther, 2017-01-26 13:37:20]

johnniwinther@google.com changed reviewers:
+ sigmund@google.com

[Siggi Cherem (dart-lang), 2017-01-26 19:22:18]

lgtm

https://codereview.chromium.org/2654273002/diff/1/tests/compiler/dart2js/sour...
File tests/compiler/dart2js/sourcemaps/stacktrace_test.dart (right):

https://codereview.chromium.org/2654273002/diff/1/tests/compiler/dart2js/sour...
tests/compiler/dart2js/sourcemaps/stacktrace_test.dart:296: new
SingleMapping.fromJson(JSON.decode(sourceMapText));
nit: you should be able to do:

SingleMapping sourceMap = parse(sourceMapText);
// `parse` is defined in source_maps.dart

[Johnni Winther, 2017-01-27 08:08:14]

https://codereview.chromium.org/2654273002/diff/1/tests/compiler/dart2js/sour...
File tests/compiler/dart2js/sourcemaps/stacktrace_test.dart (right):

https://codereview.chromium.org/2654273002/diff/1/tests/compiler/dart2js/sour...
tests/compiler/dart2js/sourcemaps/stacktrace_test.dart:296: new
SingleMapping.fromJson(JSON.decode(sourceMapText));
On 2017/01/26 19:22:18, Siggi Cherem (dart-lang) wrote:
> nit: you should be able to do:
> 
> SingleMapping sourceMap = parse(sourceMapText);
> // `parse` is defined in source_maps.dart

Done.

[Johnni Winther, 2017-01-27 08:15:36]

Description was changed from

==========
Improve precision of stacktrace_test
==========

to

==========
Improve precision of stacktrace_test

R=sigmund@google.com

Committed:
https://github.com/dart-lang/sdk/commit/ec71517bc8b16ea946a1d8c3ae136677c60b8262
==========

[Johnni Winther, 2017-01-27 08:15:38]

Committed patchset #2 (id:20001) manually as
ec71517bc8b16ea946a1d8c3ae136677c60b8262 (presubmit successful).