Refactor safe-browsing build-config definitions

chrome/chrome_browser_extensions.gypi

 # Copyright (c) 2013 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.
 
 {
   'variables': {
     'chrome_browser_extensions_chromeos_sources': [
       'browser/extensions/api/enterprise_platform_keys/enterprise_platform_keys_api.cc',
       'browser/extensions/api/enterprise_platform_keys/enterprise_platform_keys_api.h',
       'browser/extensions/api/enterprise_platform_keys_private/enterprise_platform_keys_private_api.cc',
@@ skipping 962 matching lines @@
             # x11 build
             ['use_x11==1', {
               'dependencies': [
                 '../build/linux/system.gyp:x11',
                 '../ui/events/platform/events_platform.gyp:events_platform',
                 '../ui/events/platform/x11/x11_events_platform.gyp:x11_events_platform',
               ],
             }],
           ],
         }],
-        ['safe_browsing==1', {
-          'defines': [
-            'FULL_SAFE_BROWSING',
-          ],
-        }],
-        ['safe_browsing==2', {
-          'defines': [
-            'MOBILE_SAFE_BROWSING',
-          ],
-        }],
         ['configuration_policy==1', {
           'dependencies': [
             '../components/components.gyp:policy',
           ],
           'sources': [
             'browser/extensions/policy_handlers.cc',
             'browser/extensions/policy_handlers.h',
             '<@(chrome_browser_extensions_policy_sources)',
           ],
         }],
@@ skipping 66 matching lines @@
           ],
         }, {  # use_brlapi==0
           'sources': [
             'browser/extensions/api/braille_display_private/braille_controller_stub.cc',
           ],
         }],
       ],
     },
   ],
 }