Added the chrome://safe-browsing/ page as part of the chrome://about

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 385 matching lines @@
     "webui/profiler_ui.cc",
     "webui/profiler_ui.h",
     "webui/quota_internals/quota_internals_handler.cc",
     "webui/quota_internals/quota_internals_handler.h",
     "webui/quota_internals/quota_internals_proxy.cc",
     "webui/quota_internals/quota_internals_proxy.h",
     "webui/quota_internals/quota_internals_types.cc",
     "webui/quota_internals/quota_internals_types.h",
     "webui/quota_internals/quota_internals_ui.cc",
     "webui/quota_internals/quota_internals_ui.h",
+    "webui/safe_browsing_ui.cc",
+    "webui/safe_browsing_ui.h",
     "webui/signin_internals_ui.cc",
     "webui/signin_internals_ui.h",
     "webui/supervised_user_internals_message_handler.cc",
     "webui/supervised_user_internals_message_handler.h",
     "webui/supervised_user_internals_ui.cc",
     "webui/supervised_user_internals_ui.h",
     "webui/sync_internals_message_handler.cc",
     "webui/sync_internals_message_handler.h",
     "webui/sync_internals_ui.cc",
     "webui/sync_internals_ui.h",
@@ skipping 3202 matching lines @@
     deps += [
       "//chrome/test:test_support_ui",
       "//components/zoom",
     ]
   }
 
   if (enable_extensions) {
     deps += [ "//extensions/browser" ]
   }
 }