| Index: third_party/zlib/zlib.gyp
 | 
| diff --git a/third_party/zlib/zlib.gyp b/third_party/zlib/zlib.gyp
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| index e04acbd4d8354bcf0c5d1070bcb06e898a9ad857..8a651f6d7c0e7c43bd9c8eebaa5e385aac43be2d 100644
 | 
| --- a/third_party/zlib/zlib.gyp
 | 
| +++ b/third_party/zlib/zlib.gyp
 | 
| @@ -63,14 +63,20 @@
 | 
|              }],
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|            ],
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|          }, {
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| +          'variables': {
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| +            'headers_root_path': '.',
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| +            'header_filenames': [
 | 
| +              'zlib.h',
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| +            ],
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| +          },
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| +          'includes': [
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| +            '../../build/shim_headers.gypi',
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| +          ],
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|            'direct_dependent_settings': {
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|              'defines': [
 | 
|                'USE_SYSTEM_ZLIB',
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|              ],
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|            },
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| -          'defines': [
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| -            'USE_SYSTEM_ZLIB',
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| -          ],
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|            'link_settings': {
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|              'libraries': [
 | 
|                '-lz',
 | 
| @@ -94,6 +100,9 @@
 | 
|              'contrib/minizip/zip.c',
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|              'contrib/minizip/zip.h',
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|            ],
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| +          'dependencies': [
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| +            'zlib',
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| +          ],
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|            'include_dirs': [
 | 
|              '.',
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|              '../..',
 | 
| 
 |