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

chrome/common/DEPS

 include_rules = [
   "+chrome/grit",
   "+chrome/install_static",
   "+chromeos",  # For chromeos_switches.h
   "+components/autofill/content/common",
   "+components/autofill/core/common",
   "+components/bookmarks/common",
   "+components/cast_certificate",
   "+components/cdm/common",
   "+components/cloud_devices/common",
   "+components/content_settings/core/common",
   "+components/crash/core/common",
   "+components/crx_file",
   "+components/data_reduction_proxy/core/common",
   "+components/dom_distiller/core",
   "+components/flags_ui/flags_ui_switches.h",
   "+components/gcm_driver",
   "+components/metrics/client_info.h",
   "+components/metrics/metrics_pref_names.h",
   "+components/nacl/common",
   "+components/network_session_configurator/common",
   "+components/ntp_tiles",
   "+components/offline_pages/features",
   "+components/password_manager/core/common",
   "+components/policy/core/common",
   "+components/printing/common",
   "+components/safe_browsing/csd.pb.h",
+  "+components/safe_browsing/web_ui/constants.h",
   "+components/signin/core/common",
   "+components/translate/core/common",
   "+components/url_formatter",
   "+components/version_info",
   "+device/vr/features/features.h",
   "+extensions/common",
   "+extensions/features",
   "+gin/public",  # For profiling.cc
   "+google_apis/gaia",  # For gaia_switches.h
   "+media",
   "+ppapi/c",
   "+ppapi/shared_impl",
   "+ppapi/thunk",
   "+rlz/features/features.h",
   "+sandbox/linux/services/credentials.h",
   "+third_party/boringssl/src/include",
 
   # FIXME - refactor code and remove these dependencies
   "+chrome/installer/util",
 ]
 specific_include_rules = {
   "service_process_util.*": [
     "+mojo/edk/embedder",
   ],
 }