Pulling in new gyp version....

webkit/webkit.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.
 
 {
   'variables': {
     'feature_defines': [
       'ENABLE_CHANNEL_MESSAGING=1',
       'ENABLE_DATABASE=1',
       'ENABLE_DASHBOARD_SUPPORT=0',
@@ skipping 579 matching lines @@
             '<(SHARED_INTERMEDIATE_DIR)/webkit/<(RULE_INPUT_ROOT).c',
             '<(SHARED_INTERMEDIATE_DIR)/webkit/<(RULE_INPUT_ROOT).cpp',
           ],
           'action': ['python', 'build/rule_gperf.py', '<(RULE_INPUT_PATH)', '<(SHARED_INTERMEDIATE_DIR)/webkit'],
           'process_outputs_as_sources': 0,
         },
         # Rule to build generated JavaScript (V8) bindings from .idl source.
         {
           'rule_name': 'binding',
           'extension': 'idl',
+          'msvs_external_rule': 1,
           'inputs': [
             '../third_party/WebKit/WebCore/bindings/scripts/generate-bindings.pl',
             'port/bindings/scripts/CodeGenerator.pm',
             'port/bindings/scripts/CodeGeneratorV8.pm',
             'port/bindings/scripts/IDLParser.pm',
             '../third_party/WebKit/WebCore/bindings/scripts/IDLStructure.pm',
           ],
           'outputs': [
             '<(INTERMEDIATE_DIR)/bindings/V8<(RULE_INPUT_ROOT).cpp',
             '<(SHARED_INTERMEDIATE_DIR)/webkit/bindings/V8<(RULE_INPUT_ROOT).h',
@@ skipping 4218 matching lines @@
             '../third_party/WebKit/WebCore/inspector/front-end/Images/userInputPreviousIcon.png',
             '../third_party/WebKit/WebCore/inspector/front-end/Images/warningIcon.png',
             '../third_party/WebKit/WebCore/inspector/front-end/Images/warningMediumIcon.png',
             '../third_party/WebKit/WebCore/inspector/front-end/Images/warningsErrors.png',
           ],
         },
       ],
     },
   ],
 }