
Use enum class instead of enum for DialogContentType. enum class is more type safety. Bug: 940736 Change-Id: Ic06b305ad3bf45c815b41ec036dd3852eee11ba7 Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2823311 Reviewed-by: Peter Kasting <pkasting@chromium.org> Reviewed-by: Scott Violet <sky@chromium.org> Commit-Queue: Hwanseung Lee <hs1217.lee@samsung.com> Cr-Commit-Position: refs/heads/master@{#872676}