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

ios/public/test/test_chrome_browser_provider.mm

Index: ios/public/test/test_chrome_browser_provider.mm
diff --git a/ios/public/test/test_chrome_browser_provider.mm b/ios/public/test/test_chrome_browser_provider.mm
index 48d2ace0577228321d1aeaf6253250a500214945..afcf24ca596e548470fae0a27f21833056610942 100644
--- a/ios/public/test/test_chrome_browser_provider.mm
+++ b/ios/public/test/test_chrome_browser_provider.mm
@@ -5,7 +5,6 @@
 #include "ios/public/test/test_chrome_browser_provider.h"
 
 #include "base/logging.h"
-#include "ios/public/test/fake_search_provider.h"
 #include "ios/public/test/fake_string_provider.h"
 
 namespace {
@@ -15,8 +14,7 @@ const char kUIScheme[] = "uischeme";
 namespace ios {
 
 TestChromeBrowserProvider::TestChromeBrowserProvider()
-    : string_provider_(new FakeStringProvider),
-      search_provider_(new FakeSearchProvider) {
+    : string_provider_(new FakeStringProvider) {
 }
 
 TestChromeBrowserProvider::~TestChromeBrowserProvider() {
@@ -37,8 +35,4 @@ const char* TestChromeBrowserProvider::GetChromeUIScheme() {
   return kUIScheme;
 }
 
-SearchProvider* TestChromeBrowserProvider::GetSearchProvider() {
-  return search_provider_.get();
-}
-
 }  // namespace ios