18940 Make Linux shell plugin constructor descriptions consistent (cla: yes)

18942 Roll Skia from 64688229fd4b to 1ce11e676e6d (10 revisions) (cla: yes, waiting for tree to go green)

18943 Roll Dart SDK from 0f15f8722e29 to dd47387430a0 (12 revisions) (cla: yes, waiting for tree to go green)

18944 [web] don’t run some tests on safari (cla: yes)

18945 Add ui_benchmarks (affects: tests, cla: yes, perf: speed, severe: performance, waiting for tree to go green)

18946 Show warning if method response errors occur and error not handled. (cla: yes)