Adding macro to enable changing SSL library (Part 1)

net/net.gyp

 # Copyright 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': {
     'chromium_code': 1,
     'linux_link_kerberos%': 0,
     # Enables BidirectionalStream; Used in cronet, disabled by default.
     'enable_bidirectional_stream%': 0,
@@ skipping 188 matching lines @@
             'cert/nss_profile_filter_chromeos_unittest.cc',
             'ssl/client_cert_store_nss_unittest.cc',
           ],
         }],
         [ 'use_openssl == 1', {
           # Avoid compiling/linking with the system library.
           'dependencies': [
             '../third_party/boringssl/boringssl.gyp:boringssl',
           ],
         }],
-        [ 'use_nss_certs == 1 or OS == "ios" or use_openssl == 0', {
+        [ 'use_nss_verifier == 1', {
           'conditions': [
             [ 'desktop_linux == 1 or chromeos == 1', {
               'dependencies': [
                 '../build/linux/system.gyp:ssl',
               ],
             }, {  # desktop_linux == 0 and chromeos == 0
               'dependencies': [
                 '../third_party/nss/nss.gyp:nspr',
                 '../third_party/nss/nss.gyp:nss',
                 'third_party/nss/ssl.gyp:libssl',
@@ skipping 13 matching lines @@
             'http/http_auth_gssapi_posix_unittest.cc',
             'http/mock_gssapi_library_posix.cc',
             'http/mock_gssapi_library_posix.h',
           ],
         }],
        [ 'use_kerberos==0', {
           'sources!': [
             'http/http_auth_handler_negotiate_unittest.cc',
           ],
         }],
-        [ 'use_nss_certs == 0 and OS != "ios"', {
-          # Only include this test when using system NSS for cert verification
-          # or on iOS (which also uses NSS for certs).
+        [ 'use_nss_verifier == 0', {
+          # Only include this test when using NSS for cert verification.
           'sources!': [
             'cert_net/nss_ocsp_unittest.cc',
           ],
         }],
+        [ 'use_nss_verifier == 0 and OS == "ios"', {
+          # Only include these files on iOS when using NSS for cert 
+          # verification.
+          'sources!': [
+           'cert/x509_util_ios.cc',
+           'cert/x509_util_ios.h',
+          ],
+        }],
         [ 'use_openssl==1', {
             'sources!': [
               'quic/test_tools/crypto_test_utils_nss.cc',
             ],
           }, {  # else !use_openssl: remove the unneeded files and pull in NSS.
             'sources!': [
               'quic/test_tools/crypto_test_utils_openssl.cc',
               'ssl/ssl_client_session_cache_openssl_unittest.cc',
             ],
           },
         ],
         [ 'use_openssl_certs == 0', {
             'sources!': [
               'ssl/openssl_client_key_store_unittest.cc',
             ],
         }],
         [ 'enable_websockets != 1', {
             'sources/': [
               ['exclude', '^websockets/'],
               ['exclude', '^server/'],
             ],
             'dependencies!': [
               'http_server',
             ],
         }],
         ['disable_file_support==1', {
           'sources!': [
             'base/directory_lister_unittest.cc',
             'base/directory_listing_unittest.cc',
-            'url_request/url_request_file_dir_job_unittest.cc',
+            'url_request/url_request_file_dir_job_unittest.cc',
             'url_request/url_request_file_job_unittest.cc',
           ],
         }],
         [ 'disable_ftp_support==1', {
             'sources/': [
               ['exclude', '^ftp/'],
             ],
             'sources!': [
               'url_request/url_request_ftp_job_unittest.cc',
             ],
@@ skipping 79 matching lines @@
                 'variables': {
                   'test_data_files': [
                     'data/certificate_policies_unittest/',
                     'data/name_constraints_unittest/',
                     'data/parse_certificate_unittest/',
                     'data/ssl/certificates/',
                     'data/test.html',
                     'data/url_request_unittest/',
                     'data/verify_certificate_chain_unittest/',
                     'data/verify_name_match_unittest/names/',
+                    'data/verify_signed_data_unittest/',
                   ],
                   'test_data_prefix': 'net',
                 },
                 'includes': [ '../build/copy_test_data_ios.gypi' ],
               },
             ],
             'sources!': [
               # TODO(droger): The following tests are disabled because the
               # implementation is missing or incomplete.
               # KeygenHandler::GenKeyAndSignChallenge() is not ported to iOS.
@@ skipping 229 matching lines @@
           'sources!': [
             'test/spawned_test_server/base_test_server.cc',
             'test/spawned_test_server/base_test_server.h',
             'test/spawned_test_server/local_test_server.cc',
             'test/spawned_test_server/local_test_server.h',
             'test/spawned_test_server/local_test_server_posix.cc',
             'test/spawned_test_server/local_test_server_win.cc',
             'test/spawned_test_server/spawned_test_server.h',
           ],
         }],
-        ['use_nss_certs == 1 or OS == "ios"', {
+        ['use_nss_verifier == 1', {
           'conditions': [
             [ 'desktop_linux == 1 or chromeos == 1', {
               'dependencies': [
                 '../build/linux/system.gyp:ssl',
               ],
             }, {  # desktop_linux == 0 and chromeos == 0
               'dependencies': [
                 '../third_party/nss/nss.gyp:nspr',
                 '../third_party/nss/nss.gyp:nss',
                 'third_party/nss/ssl.gyp:libssl',
@@ skipping 1076 matching lines @@
             '../build/isolate.gypi',
           ],
           'sources': [
             'net_unittests.isolate',
           ],
         },
       ],
     }],
   ],
 }