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 8606f26ed96fa45023ee212fe94a384608b77627..098eaca2665fffcbc893941c3365829819766629 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)) {