[iOS][GN] Port ios_net_unittests to build with gn.

ios/net/BUILD.gn

Index: ios/net/BUILD.gn
diff --git a/ios/net/BUILD.gn b/ios/net/BUILD.gn
new file mode 100644
index 0000000000000000000000000000000000000000..25403883f68f628a66642c5e283a251b1dc377fc
--- /dev/null
+++ b/ios/net/BUILD.gn
@@ -0,0 +1,76 @@
+# Copyright 2015 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.
+
+import("//testing/test.gni")
+
+source_set("net") {
+  deps = [
+    "//base",
+    "//net",
+  ]
+
+  sources = [
+    "clients/crn_forwarding_network_client.h",
+    "clients/crn_forwarding_network_client.mm",
+    "clients/crn_forwarding_network_client_factory.h",
+    "clients/crn_forwarding_network_client_factory.mm",
+    "clients/crn_network_client_protocol.h",
+    "clients/crn_simple_network_client_factory.h",
+    "clients/crn_simple_network_client_factory.mm",
+    "cookies/cookie_cache.cc",
+    "cookies/cookie_cache.h",
+    "cookies/cookie_creation_time_manager.h",
+    "cookies/cookie_creation_time_manager.mm",
+    "cookies/cookie_store_ios.h",
+    "cookies/cookie_store_ios.mm",
+    "cookies/cookie_store_ios_client.h",
+    "cookies/cookie_store_ios_client.mm",
+    "cookies/system_cookie_util.h",
+    "cookies/system_cookie_util.mm",
+    "crn_http_protocol_handler.h",
+    "crn_http_protocol_handler.mm",
+    "crn_http_protocol_handler_proxy.h",
+    "crn_http_protocol_handler_proxy_with_client_thread.h",
+    "crn_http_protocol_handler_proxy_with_client_thread.mm",
+    "crn_http_url_response.h",
+    "crn_http_url_response.mm",
+    "empty_nsurlcache.h",
+    "empty_nsurlcache.mm",
+    "http_protocol_logging.h",
+    "http_protocol_logging.mm",
+    "http_response_headers_util.h",
+    "http_response_headers_util.mm",
+    "nsurlrequest_util.h",
+    "nsurlrequest_util.mm",
+    "protocol_handler_util.h",
+    "protocol_handler_util.mm",
+    "request_tracker.h",
+    "request_tracker.mm",
+    "url_scheme_util.h",
+    "url_scheme_util.mm",
+  ]
+}
+
+test("ios_net_unittests") {
+  deps = [
+    "//base",
+    "//base/test:run_all_unittests",
+    "//net:test_support",
+    "//testing/gtest",
+    "//url",
+    ":net",
+  ]
+
+  sources = [
+    "clients/crn_forwarding_network_client_factory_unittest.mm",
+    "cookies/cookie_cache_unittest.cc",
+    "cookies/cookie_creation_time_manager_unittest.mm",
+    "cookies/cookie_store_ios_unittest.mm",
+    "cookies/system_cookie_util_unittest.mm",
+    "http_response_headers_util_unittest.mm",
+    "nsurlrequest_util_unittest.mm",
+    "protocol_handler_util_unittest.mm",
+    "url_scheme_util_unittest.mm",
+  ]
+}