Refactor safe-browsing build-config definitions.

chrome/common/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("//tools/grit/grit_rule.gni")
 
 gypi_values = exec_script(
     "//build/gypi_to_gn.py",
     [ rebase_path("../chrome_common.gypi") ],
     "scope",
@@ skipping 204 matching lines @@
     sources -= [ "pepper_permission_util.cc" ]
   }
   if (!enable_webrtc) {
     sources -= [ "media/webrtc_logging_messages.h" ]
   }
   if (enable_configuration_policy) {
     deps += [ "//components/policy" ]
   }
 
   if (safe_browsing_mode == 1) {
-    defines += [ "FULL_SAFE_BROWSING" ]
     sources += rebase_path(
         gypi_values.chrome_common_full_safe_browsing_sources,
         ".", "//chrome")
   }
-  if (safe_browsing_mode == 2) {
-    defines += [ "MOBILE_SAFE_BROWSING" ]
-  }
 }
 
 if (is_linux) {
   action("version") {
     visibility = ":common"
     script = "//build/util/version.py"
 
     lastchange_path = "//build/util/LASTCHANGE"
     version_path = "//chrome/VERSION"
     template_input_path = "chrome_version_info_posix.h.version"
@@ skipping 61 matching lines @@
     "//components/bookmarks/common",
     "//third_party/widevine/cdm:version_h",
   ]
 
   if (enable_nacl) {
     deps += [
       #'../components/nacl.gyp:nacl_switches',  TODO(GYP)
     ]
   }
 }