Enable precompiled headers for Blink on Windows

third_party/WebKit/Source/web/web.gyp

 #
 # Copyright (C) 2011 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 17 matching lines @@
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #
 
 {
     'variables': {
       'blink_web_output_dir': '<(SHARED_INTERMEDIATE_DIR)/blink/web',
     },
     'includes': [
         '../bindings/bindings.gypi',
         '../core/core.gypi',
+        '../core/win/precompile-core.gypi',
         '../build/features.gypi',
         '../build/scripts/scripts.gypi',
-        '../build/win/precompile.gypi',
         '../modules/modules.gypi',
         '../platform/blink_platform.gypi',
         '../wtf/wtf.gypi',
         'web.gypi',
     ],
     'target_defaults': {
         'variables': {
             'clang_warning_flags': ['-Wglobal-constructors'],
         },
     },
@@ skipping 160 matching lines @@
                     'dependencies': ['<(DEPTH)/third_party/mesa/mesa.gyp:osmesa'],
                     'copies': [{
                         'destination': '<(PRODUCT_DIR)/DumpRenderTree.app/Contents/MacOS/',
                         'files': ['<(PRODUCT_DIR)/osmesa.so'],
                     }],
                 },
             ],
         }],
     ], # conditions
 }