3e6d6bc61 add pointer data santizing in flutter web engine (flutter/engine#14082) (#46049)

git@github.com:flutter/engine.git/compare/90e28c027c0b...3e6d6bc612fd

git log 90e28c027c0b..3e6d6bc612fd --first-parent --oneline
2019-12-04 47866232+chunhtai@users.noreply.github.com add pointer data santizing in flutter web engine (#14082)


If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/flutter-engine-flutter-autoroll
Please CC chinmaygarde@google.com on the revert to ensure that a human
is aware of the problem.

To report a problem with the AutoRoller itself, please file a bug:
https://bugs.chromium.org/p/skia/issues/entry?template=Autoroller+Bug

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

bin/internal/engine.version

-90e28c027c0be00b5544fba4389d1f6d54e058e3
+3e6d6bc612fde37ad06b30263f7700e523f0a0be