18829 Correct BM_ShellInitializationAndShutdown (cla: yes, perf: speed, severe: performance, waiting for tree to go green)

18838 Avoid creating a vector when constructing Dart typed data objects for platform messages (cla: yes, perf: speed, severe: performance, waiting for tree to go green)

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

platform-web - 13 pull request(s)

17495 [web] Detect when the mouseup occurs outside of window (cla: yes, platform-web, waiting for tree to go green)

17580 [web] Fix window.defaultRouteName (cla: yes, platform-web)

17595 [web] Fix regression of pointer events on mobile browsers (cla: yes, platform-web)