Partially componentize //chrome/browser/search/search.{h,cc}

chrome/browser/android/omnibox/autocomplete_controller_android.cc

Index: chrome/browser/android/omnibox/autocomplete_controller_android.cc
diff --git a/chrome/browser/android/omnibox/autocomplete_controller_android.cc b/chrome/browser/android/omnibox/autocomplete_controller_android.cc
index fdea013ff9b00729451374458ea69c679dd6c916..dd21695fa6028d3ddfc517160fea4f7da1d49726 100644
--- a/chrome/browser/android/omnibox/autocomplete_controller_android.cc
+++ b/chrome/browser/android/omnibox/autocomplete_controller_android.cc
@@ -337,8 +337,8 @@ void AutocompleteControllerAndroid::OnResultChanged(
   const AutocompleteResult::const_iterator default_match(
       result.default_match());
   if ((default_match != result.end()) && default_match_changed &&
-      chrome::IsInstantExtendedAPIEnabled() &&
-      chrome::ShouldPrefetchSearchResults()) {
+      search::IsInstantExtendedAPIEnabled() &&
+      search::ShouldPrefetchSearchResults()) {
     InstantSuggestion prefetch_suggestion;
     // If the default match should be prefetched, do that.
     if (SearchProvider::ShouldPrefetch(*default_match)) {