Add test to verify correct routing of synthetic events
Add test to verify correct routing of synthetic events

Bug: 1117173
Change-Id: I8a4a11394c547303e0a6508c6d9a83113bd58924
Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/3264205
Commit-Queue: Danil Somsikov <f16a5ee11618cab93684e694f9aa762d34f02920@chromium.org>
Auto-Submit: Danil Somsikov <f16a5ee11618cab93684e694f9aa762d34f02920@chromium.org>
Reviewed-by: Simon Zünd <38944668e9e2ca98ccd0275b53370f90fa55c113@chromium.org>

ChromeDevTools/devtools-frontend,ChromeDevTools/devtools-frontend,ChromeDevTools/devtools-frontend,ChromeDevTools/devtools-frontend,ChromeDevTools/devtools-frontend,ChromeDevTools/devtools-frontend