Update clang warnings after r287092.

hunspell.gyp

 # Copyright (c) 2009 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.
 
 {
   'targets': [
     {
       'target_name': 'hunspell',
       'type': 'static_library',
       'msvs_guid': 'D5E8DCB2-9C61-446F-8BEE-B18CA0E0936E',
@@ skipping 45 matching lines @@
         'src/parsers/textparser.cxx',
         'src/parsers/textparser.hxx',
       ],
       'direct_dependent_settings': {
         'defines': [
           'HUNSPELL_STATIC',
           'HUNSPELL_CHROME_CLIENT',
           'USE_HUNSPELL',
         ],
       },
+      'variables': {
+        'clang_warning_flags': [
+          # affentry.cxx has one `while ((p = nextchar(p)));` parsing loop.
+          '-Wno-empty-body',
+          # affentry.hxx has NULL as default parameter for a FLAG in two
+          # places.
+          '-Wno-null-conversion',
+        ],
+      },
       # TODO(jschuh): http://crbug.com/167187 size_t -> int
       'msvs_disabled_warnings': [ 4267 ],
       'conditions': [
         ['os_posix == 1 and OS != "mac"', {
           'cflags': [
             '-Wno-unused-value',
             '-Wno-unused-variable',
             '-Wno-write-strings',
           ],
         }],
         ['gcc_version >= 48', {
           'cflags': [
             # affentry.hxx has NULL as default parameter for a FLAG in two
             # places.
             '-Wno-conversion-null',
           ],
         }],
-        ['clang == 1', {
-          'xcode_settings': {
-            'WARNING_CFLAGS': [
-              # affentry.cxx has one `while ((p = nextchar(p)));` parsing loop.
-              '-Wno-empty-body',
-              # affentry.hxx has NULL as default parameter for a FLAG in two
-              # places.
-              '-Wno-null-conversion',
-            ],
-          },
-          'cflags': [
-            '-Wno-empty-body',
-            '-Wno-null-conversion',
-          ],
-        }],
       ],
     },
   ],
 }