Update from https://crrev.com/306706

net/net.gyp

Index: net/net.gyp
diff --git a/net/net.gyp b/net/net.gyp
index 5ddf430740f1b55c6a1d799d4d8cecf7dcd7ffd2..8bfcc7b28e9e5c22ad592b073545324cf7ce9c46 100644
--- a/net/net.gyp
+++ b/net/net.gyp
@@ -442,6 +442,12 @@
             },
           },
         ],
+        [ 'OS == "ios" or OS == "mac"', {
+            'sources': [
+              '<@(net_base_mac_ios_sources)',
+            ],
+          },
+        ],
         ['OS=="android" and _toolset=="target" and android_webview_build == 0', {
           'dependencies': [
              'net_java',
@@ -550,6 +556,11 @@
             '<@(net_linux_test_sources)',
           ],
         }],
+        ['OS == "mac" or OS == "ios"', {
+          'sources': [
+            '<@(net_base_test_mac_ios_sources)',
+          ],
+        }],
         ['chromeos==1', {
           'sources!': [
             'proxy/proxy_config_service_linux_unittest.cc',