Cleanup: Remove SearchTabHelperDelegate

chrome/browser/ui/BUILD.gn

 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import("//build/config/chromecast_build.gni")
 import("//build/config/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//build/split_static_library.gni")
 import("//chrome/common/features.gni")
@@ skipping 131 matching lines @@
     "search/new_tab_page_interceptor_service_factory.h",
     "search/search_ipc_router.cc",
     "search/search_ipc_router.h",
     "search/search_ipc_router_policy_impl.cc",
     "search/search_ipc_router_policy_impl.h",
     "search/search_model.cc",
     "search/search_model.h",
     "search/search_model_observer.h",
     "search/search_tab_helper.cc",
     "search/search_tab_helper.h",
-    "search/search_tab_helper_delegate.cc",
-    "search/search_tab_helper_delegate.h",
     "search_engines/edit_search_engine_controller.cc",
     "search_engines/edit_search_engine_controller.h",
     "search_engines/keyword_editor_controller.cc",
     "search_engines/keyword_editor_controller.h",
     "search_engines/search_engine_tab_helper.cc",
     "search_engines/search_engine_tab_helper.h",
     "search_engines/template_url_table_model.cc",
     "search_engines/template_url_table_model.h",
     "session_crashed_bubble.h",
     "simple_message_box.h",
@@ skipping 3367 matching lines @@
       "test/test_confirm_bubble_model.cc",
       "test/test_confirm_bubble_model.h",
     ]
     deps += [ "//chrome/test:test_support_ui" ]
   }
 
   if (enable_extensions) {
     deps += [ "//extensions/browser" ]
   }
 }