Moving GraphicsContext and dependencies from core to platform.

Source/platform/blink_platform_tests.gyp

 #
 # Copyright (C) 2013 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
@@ skipping 18 matching lines @@
 #
 {
   'includes': [
     '../build/win/precompile.gypi',
     'blink_platform.gypi',
   ],
   'targets': [{
     'target_name': 'blink_platform_unittests',
     'type': 'executable',
     'dependencies': [
-      'blink_platform.gyp:blink_platform',
-      'blink_platform.gyp:blink_common',
       '../config.gyp:unittest_config',
       '../wtf/wtf.gyp:wtf',
       '../wtf/wtf_tests.gyp:run_all_tests',
       '../wtf/wtf_tests.gyp:wtf_unittest_helpers',
+      'blink_platform.gyp:blink_platform',
+      'blink_platform.gyp:blink_common',
+      '<(DEPTH)/skia/skia.gyp:skia',
       '<(DEPTH)/url/url.gyp:url_lib',
     ],
+    'defines': [
+      'INSIDE_BLINK',
+    ],
+    'include_dirs': [
+      '<(SHARED_INTERMEDIATE_DIR)/blink',
+    ],
     'sources': [
       '<@(platform_test_files)',
     ],
     'conditions': [
       ['os_posix==1 and OS!="mac" and OS!="android" and OS!="ios" and linux_use_tcmalloc==1', {
         'dependencies': [
           '<(DEPTH)/base/base.gyp:base',
           '<(DEPTH)/base/allocator/allocator.gyp:allocator',
         ]
-      }]
+      }],
     ]
   }],
 }