Implementing uploading of a WebRTC diagnostic log.

third_party/zlib/zlib.gyp

 # Copyright (c) 2012 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.
 
 {
   'targets': [
     {
       'target_name': 'zlib',
       'type': 'static_library',
       'sources': [
@@ skipping 21 matching lines @@
         'trees.h',
         'uncompr.c',
         'zconf.h',
         'zlib.h',
         'zutil.c',
         'zutil.h',
       ],
       'include_dirs': [
         '.',
       ],
+      'defines': [
+        'HAVE_VISIBILITY_ATTRIBUTE',
+      ],
       'direct_dependent_settings': {
         'include_dirs': [
           '.',
         ],
       },
       'conditions': [
         ['OS!="win"', {
           'product_name': 'chrome_zlib',
         }], ['OS=="android"', {
           'toolsets': ['target', 'host'],
@@ skipping 69 matching lines @@
         'google/zip.cc',
         'google/zip.h',
         'google/zip_internal.cc',
         'google/zip_internal.h',
         'google/zip_reader.cc',
         'google/zip_reader.h',
       ],
     },
   ],
 }