Use precompiled headers for most large projects.

webkit/glue/webkit_glue.gypi

 # Copyright (c) 2011 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': {
     'conditions': [
       ['inside_chromium_build==0', {
         'webkit_src_dir': '../../../../..',
       },{
@@ skipping 84 matching lines @@
       ],
       # Dependents may rely on files generated by this target or one of its
       # own hard dependencies.
       'hard_dependency': 1,
       'conditions': [
       ],
     },
     {
       'target_name': 'glue',
       'type': 'static_library',
+      'msvs_disable_precompiled_header': '1',
       'dependencies': [
         '<(DEPTH)/base/base.gyp:base_i18n',
         '<(DEPTH)/base/base.gyp:base_static',
         '<(DEPTH)/gpu/gpu.gyp:gles2_implementation',
         '<(DEPTH)/net/net.gyp:net',
         '<(DEPTH)/ppapi/ppapi.gyp:ppapi_c',
         '<(DEPTH)/ppapi/ppapi_internal.gyp:ppapi_shared',
         '<(DEPTH)/printing/printing.gyp:printing',
         '<(DEPTH)/skia/skia.gyp:skia',
         '<(DEPTH)/third_party/icu/icu.gyp:icui18n',
@@ skipping 434 matching lines @@
               },
               'includes': [ '../../build/grit_action.gypi' ],
             },
           ],
           'includes': [ '../../build/grit_target.gypi' ],
         },
       ],
     }],
   ],
 }