InstantService: Factor out a SearchEngineBaseURLTracker
This is mostly a copy of the abandoned
https://codereview.chromium.org/2581553003
BUG=none
Review-Url: https://codereview.chromium.org/2693093003
Cr-Commit-Position: refs/heads/master@{#450678}
diff --git a/chrome/browser/BUILD.gn b/chrome/browser/BUILD.gn
index 5bd05a1..dda871d 100644
--- a/chrome/browser/BUILD.gn
+++ b/chrome/browser/BUILD.gn
@@ -1117,6 +1117,8 @@
"search/most_visited_iframe_source.h",
"search/search.cc",
"search/search.h",
+ "search/search_engine_base_url_tracker.cc",
+ "search/search_engine_base_url_tracker.h",
"search/suggestions/image_decoder_impl.cc",
"search/suggestions/image_decoder_impl.h",
"search/suggestions/suggestions_service_factory.cc",
