Add quiet safe browsing interstitials to chrome://interstitials for in browser testing

chrome/browser/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/chrome_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 2213 matching lines @@
       "safe_browsing/ping_manager.h",
       "safe_browsing/safe_browsing_blocking_page.cc",
       "safe_browsing/safe_browsing_blocking_page.h",
       "safe_browsing/safe_browsing_navigation_observer.cc",
       "safe_browsing/safe_browsing_navigation_observer.h",
       "safe_browsing/safe_browsing_navigation_observer_manager.cc",
       "safe_browsing/safe_browsing_navigation_observer_manager.h",
       "safe_browsing/safe_browsing_service.cc",
       "safe_browsing/safe_browsing_service.h",
       "safe_browsing/services_delegate.h",
+      "safe_browsing/test_safe_browsing_blocking_page_quiet.cc",
+      "safe_browsing/test_safe_browsing_blocking_page_quiet.h",
       "safe_browsing/test_safe_browsing_service.cc",
       "safe_browsing/test_safe_browsing_service.h",
       "safe_browsing/ui_manager.cc",
       "safe_browsing/ui_manager.h",
       "safe_browsing/v4_test_utils.cc",
       "safe_browsing/v4_test_utils.h",
     ]
     deps += [
       "//chrome/browser/safe_browsing:chunk_proto",
       "//chrome/common/safe_browsing:proto",
@@ skipping 2509 matching lines @@
       "media/pepper_cdm_test_constants.cc",
       "media/pepper_cdm_test_constants.h",
     ]
   }
 }
 
 service_manifest("preferences_forwarder_manifest") {
   name = "preferences_forwarder"
   source = "prefs/forwarder_manifest.json"
 }