GitLab

Add a generic getInteger method to PrefServiceBridge, making use of the
prefs.h enums.

Migrate usages of the Prompt for Download pref to use the generic
methods, and move wrapper function with feature-specific type
annotations to DownloadUtils.

Bug: 1016957
Change-Id: I46f9f33f14467aa628767f722c099a39b813dee4
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1879552Reviewed-by: Xing Liu <xingliu@chromium.org>
Reviewed-by: Theresa  <twellington@chromium.org>
Commit-Queue: Natalie Chouinard <chouinard@chromium.org>
Cr-Commit-Position: refs/heads/master@{#709515}