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

ios/public/test/fake_search_provider.cc

Index: ios/public/test/fake_search_provider.cc
diff --git a/ios/public/test/fake_search_provider.cc b/ios/public/test/fake_search_provider.cc
index 6f252af6e81a5f1756fddfd39dd23d31cc5de557..fc59d465ea92d003edfed652b69af20870c5fe7b 100644
--- a/ios/public/test/fake_search_provider.cc
+++ b/ios/public/test/fake_search_provider.cc
@@ -12,22 +12,6 @@ FakeSearchProvider::FakeSearchProvider() {
 FakeSearchProvider::~FakeSearchProvider() {
 }
 
-bool FakeSearchProvider::IsQueryExtractionEnabled() {
-  return false;
-}
-
-std::string FakeSearchProvider::InstantExtendedEnabledParam(bool for_search) {
-  return std::string();
-}
-
-std::string FakeSearchProvider::ForceInstantResultsParam(bool for_prerender) {
-  return std::string();
-}
-
-int FakeSearchProvider::OmniboxStartMargin() {
-  return 0;
-}
-
 std::string FakeSearchProvider::GoogleImageSearchSource() {
   return std::string();
 }