GitLab

In ExecutePerformActions function, we dispatch key events first, mouse
events then touch events, some code are redundant with different pointer
types. I cleaned some code shared with different pointer type.

Bug: 606367
Change-Id: I27e7e538db8026b87938abd19ae71f59e1c6844a
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1762769Reviewed-by: John Chen <johnchen@chromium.org>
Commit-Queue: Lan Wei <lanwei@chromium.org>
Cr-Commit-Position: refs/heads/master@{#689160}