Build WTF as dll in component build

Source/wtf/wtf.gyp

 # Copyright (C) 2012 Google Inc. All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 # notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
 # copyright notice, this list of conditions and the following disclaimer
@@ skipping 56 matching lines @@
           ['OS=="mac"', {
             'defines': [
               'WTF_USE_NEW_THEME=1',
             ],
           }],
         ],
       },
     },
     {
       'target_name': 'wtf',
-      'type': 'static_library',
+      'type': '<(component)',
       'include_dirs': [
         '..',
-        '../Platform/chromium'
       ],
       'dependencies': [
           'wtf_config',
           '<(DEPTH)/third_party/icu/icu.gyp:icui18n',
           '<(DEPTH)/third_party/icu/icu.gyp:icuuc',
       ],
-      'defines': [
-          'WEBKIT_IMPLEMENTATION=1',
-      ],
       'sources': [
         '<@(wtf_files)',
       ],
+      'defines': [
+        'WTF_IMPLEMENTATION=1',
+      ],
       'direct_dependent_settings': {
         'include_dirs': [
           '..',
         ],
         # Some warnings occur in WTF headers, so they must also be disabled
         # in targets that use WTF.
         'msvs_disabled_warnings': [
           # Don't complain about calling specific versions of templatized
           # functions (e.g. in RefPtrHashMap.h).
           4344,
@@ skipping 30 matching lines @@
               'direct_dependent_settings': {
                 'msvs_disabled_warnings': [4291],
               },
             }],
           ],
         }, { # OS!="win"
           'sources/': [
             ['exclude', 'Win\\.cpp$'],
           ],
         }],
-        ['OS!="mac"', {
+        ['OS=="mac"', {
+          'link_settings': {
+            'libraries': [
+              '$(SDKROOT)/System/Library/Frameworks/CoreFoundation.framework',
+              '$(SDKROOT)/System/Library/Frameworks/Foundation.framework',
+            ]
+          }
+        }, { # OS!="mac"
           'sources/': [
             ['exclude', 'Mac\\.mm$'],
             # mac is the only OS that uses WebKit's copy of TCMalloc.
             ['exclude', 'TC.*\\.(cpp|h)$'],
           ],
         }],
       ],
     },
   ]
 }