[Gardening] Mark flaky dart2js-linux-chrome tests

[Gardening] Mark flaky dart2js-linux-chrome tests

In the last 21 test-runs on dart2js-linux-chromeff-1-4-be the results
was as follows for these tests:

04: Pass => RuntimeError        dart2js-chrome  co19 LayoutTests/fast/canvas/webgl/index-validation-verifies-too-many-indices_t01
03: Pass => RuntimeError        dart2js-chrome  co19 LayoutTests/fast/canvas/webgl/premultiplyalpha-test_t01
02: Pass => RuntimeError        dart2js-chrome  co19 LayoutTests/fast/canvas/canvas-transforms-fillRect-shadow_t01
02: Pass => RuntimeError        dart2js-chrome  co19 LayoutTests/fast/canvas/canvas-ellipse_t01
02: Pass => RuntimeError        dart2js-chrome  co19 LayoutTests/fast/canvas/canvas-before-css_t01
01: Pass => RuntimeError        dart2js-chrome  co19 LayoutTests/fast/canvas/webgl/triangle_t01
01: Pass => RuntimeError        dart2js-chrome  co19 LayoutTests/fast/canvas/canvas-scale-fillRect-shadow_t01


BUG=
R=kmillikin@google.com

Committed: https://github.com/dart-lang/sdk/commit/0152654a2d475de1633197126bd1bb9498c59d2d

[jensj, 2017-07-13 09:28:27]

jensj@google.com changed reviewers:
+ kmillikin@google.com

[Kevin Millikin (Google), 2017-07-13 09:32:01]

LGTM.

[jensj, 2017-07-13 09:32:43]

Description was changed from

==========
[Gardening] Mark flaky dart2js-linux-chrome tests

In the last 21 test-runs on dart2js-linux-chromeff-1-4-be the results
was as follows for these tests:

04: Pass => RuntimeError        dart2js-chrome  co19
LayoutTests/fast/canvas/webgl/index-validation-verifies-too-many-indices_t01
03: Pass => RuntimeError        dart2js-chrome  co19
LayoutTests/fast/canvas/webgl/premultiplyalpha-test_t01
02: Pass => RuntimeError        dart2js-chrome  co19
LayoutTests/fast/canvas/canvas-transforms-fillRect-shadow_t01
02: Pass => RuntimeError        dart2js-chrome  co19
LayoutTests/fast/canvas/canvas-ellipse_t01
02: Pass => RuntimeError        dart2js-chrome  co19
LayoutTests/fast/canvas/canvas-before-css_t01
01: Pass => RuntimeError        dart2js-chrome  co19
LayoutTests/fast/canvas/webgl/triangle_t01
01: Pass => RuntimeError        dart2js-chrome  co19
LayoutTests/fast/canvas/canvas-scale-fillRect-shadow_t01


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

to

==========
[Gardening] Mark flaky dart2js-linux-chrome tests

In the last 21 test-runs on dart2js-linux-chromeff-1-4-be the results
was as follows for these tests:

04: Pass => RuntimeError        dart2js-chrome  co19
LayoutTests/fast/canvas/webgl/index-validation-verifies-too-many-indices_t01
03: Pass => RuntimeError        dart2js-chrome  co19
LayoutTests/fast/canvas/webgl/premultiplyalpha-test_t01
02: Pass => RuntimeError        dart2js-chrome  co19
LayoutTests/fast/canvas/canvas-transforms-fillRect-shadow_t01
02: Pass => RuntimeError        dart2js-chrome  co19
LayoutTests/fast/canvas/canvas-ellipse_t01
02: Pass => RuntimeError        dart2js-chrome  co19
LayoutTests/fast/canvas/canvas-before-css_t01
01: Pass => RuntimeError        dart2js-chrome  co19
LayoutTests/fast/canvas/webgl/triangle_t01
01: Pass => RuntimeError        dart2js-chrome  co19
LayoutTests/fast/canvas/canvas-scale-fillRect-shadow_t01


BUG=
R=kmillikin@google.com

Committed:
https://github.com/dart-lang/sdk/commit/0152654a2d475de1633197126bd1bb9498c59d2d
==========

[jensj, 2017-07-13 09:32:45]

Committed patchset #1 (id:1) manually as
0152654a2d475de1633197126bd1bb9498c59d2d (presubmit successful).