[Omnibox] Renames "Proactive ZPS" instances to "Reactive ZPS"

Change-Id: Iba0d2ad906701e78b8dbd28730c7653178aef55c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2224025
Reviewed-by: Justin Donnelly <[email protected]>
Commit-Queue: Moe Ahmadi <[email protected]>
Auto-Submit: Moe Ahmadi <[email protected]>
Cr-Commit-Position: refs/heads/master@{#774260}
diff --git a/components/omnibox/common/omnibox_features.h b/components/omnibox/common/omnibox_features.h
index 8632ddb0..bf7f600 100644
--- a/components/omnibox/common/omnibox_features.h
+++ b/components/omnibox/common/omnibox_features.h
@@ -61,8 +61,8 @@
 extern const base::Feature kOnFocusSuggestions;
 extern const base::Feature kOnFocusSuggestionsContextualWeb;
 extern const base::Feature kOnFocusSuggestionsContextualWebOnContent;
-extern const base::Feature kProactiveZeroSuggestionsOnNTPOmnibox;
-extern const base::Feature kProactiveZeroSuggestionsOnNTPRealbox;
+extern const base::Feature kReactiveZeroSuggestionsOnNTPOmnibox;
+extern const base::Feature kReactiveZeroSuggestionsOnNTPRealbox;
 extern const base::Feature kZeroSuggestionsOnNTP;
 extern const base::Feature kZeroSuggestionsOnNTPRealbox;
 extern const base::Feature kZeroSuggestionsOnSERP;