Also cleans up enum names for provider-specific histograms around
remote requests.
OBSOLETE_HISTOGRAMS=Replaces Omnibox.SuggestRequests with Omnibox.SearchSuggest.Requests
Bug: 1516795
Change-Id: I560ac5de3dd608067a8af78dde712648a11c50c7
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5254505
Commit-Queue: Moe Ahmadi <mahmadi@chromium.org>
Reviewed-by: Sophie Chang <sophiechang@chromium.org>
Reviewed-by: Tomasz Wiszkowski <ender@google.com>
Cr-Commit-Position: refs/heads/main@{#1255844}
6417198592