Support building BoringSSL with NSS certificates.

chrome/chrome_common.gypi

 # Copyright (c) 2013 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': {
     # File lists shared with GN build.
     'chrome_common_sources': [
       'common/all_messages.h',
       'common/attrition_experiments.h',
@@ skipping 616 matching lines @@
         '<(DEPTH)/ui/base/ui_base.gyp:ui_base',
       ],
       'conditions': [
         ['OS != "ios"', {
           'dependencies': [
             '<(DEPTH)/gpu/gpu.gyp:gpu_ipc',
           ],
         }, {  # OS == ios
           'sources!': [
             'common/net/net_resource_provider.cc',
+          ],
+        }],
+        ['OS == "android" or OS == "ios"', {
+          'sources!': [
             'common/net/x509_certificate_model.cc',
           ],
         }],
-        ['os_posix == 1 and OS != "mac" and OS != "ios" and OS != "android"', {
-            'dependencies': [
-              '../build/linux/system.gyp:ssl',
-            ],
-          },
-        ],
-        ['os_posix != 1 or OS == "mac" or OS == "ios"', {
-            'sources!': [
-              'common/net/x509_certificate_model_nss.cc',
-              'common/net/x509_certificate_model_openssl.cc',
-            ],
-          },
-        ],
-        ['OS == "android"', {
-            'dependencies': [
-              '../third_party/boringssl/boringssl.gyp:boringssl',
-            ],
-            'sources!': [
-              'common/net/x509_certificate_model.cc',
-              'common/net/x509_certificate_model_openssl.cc',
-            ],
-        }],
-        ['use_openssl==1', {
-            'sources!': [
-              'common/net/x509_certificate_model_nss.cc',
-            ],
+        ['use_openssl_certs == 1 and OS != "android"', {
             'dependencies': [
               '<(DEPTH)/third_party/boringssl/boringssl.gyp:boringssl',
             ],
-          },
-          {  # else !use_openssl: remove the unneeded files
+        }, {
             'sources!': [
               'common/net/x509_certificate_model_openssl.cc',
             ],
           },
         ],
+        ['use_nss_certs == 1', {
+            'dependencies': [
+              '../build/linux/system.gyp:ssl',
+            ],
+        }, {
+            'sources!': [
+              'common/net/x509_certificate_model_nss.cc',
+            ],
+          },
+        ],
         ['OS=="win"', {
             # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
             'msvs_disabled_warnings': [4267, ],
           },
         ],
       ],
     },
     {
       # Protobuf compiler / generator for the safebrowsing client
       # model proto and the client-side detection (csd) request
       # protocol buffer.
 
       # GN version: //chrome/common/safe_browsing:proto
       'target_name': 'safe_browsing_proto',
       'type': 'static_library',
       'sources': [
         'common/safe_browsing/client_model.proto',
         'common/safe_browsing/crx_info.proto',
         'common/safe_browsing/csd.proto'
       ],
       'variables': {
         'proto_in_dir': 'common/safe_browsing',
         'proto_out_dir': 'chrome/common/safe_browsing',
       },
       'includes': [ '../build/protoc.gypi' ],
     },
   ],
 }