Add first part of the network_tester functionality.

webrtc/tools/network_tester/BUILD.gn

Index: webrtc/tools/network_tester/BUILD.gn
diff --git a/webrtc/tools/network_tester/BUILD.gn b/webrtc/tools/network_tester/BUILD.gn
new file mode 100644
index 0000000000000000000000000000000000000000..1fbda89558b2bc2191a8a6579eeb9062f6b71769
--- /dev/null
+++ b/webrtc/tools/network_tester/BUILD.gn
@@ -0,0 +1,77 @@
+# Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
+#
+# Use of this source code is governed by a BSD-style license
+# that can be found in the LICENSE file in the root of the source
+# tree. An additional intellectual property rights grant can be found
+# in the file PATENTS.  All contributing project authors may
+# be found in the AUTHORS file in the root of the source tree.
+
+import("../../webrtc.gni")
+import("//third_party/protobuf/proto_library.gni")
+
+if (rtc_enable_protobuf) {
+  proto_library("network_tester_config_proto") {
+    sources = [
+      "network_tester_config.proto",
+    ]
+    proto_out_dir = "webrtc/tools/network_tester"
+  }
+
+  proto_library("network_tester_packet_proto") {
+    sources = [
+      "network_tester_packet.proto",
+    ]
+    proto_out_dir = "webrtc/tools/network_tester"
+  }
+}
+
+rtc_static_library("network_tester") {
+  sources = [
+    "config_reader.cc",
+    "config_reader.h",
+    "packet_sender.cc",
+    "packet_sender.h",
+    "test_controller.cc",
+    "test_controller.h",
+  ]
+
+  defines = [ "WEBRTC_NETWORK_TESTER_PROTO" ]
+
+  deps = [
+    ":network_tester_config_proto",
+    ":network_tester_packet_proto",
+    "../../base:rtc_task_queue",
+    "../../p2p",
+  ]
+
+  if (!build_with_chromium && is_clang) {
+    # Suppress warnings from the Chromium Clang plugin (bugs.webrtc.org/163).
+    suppressed_configs += [ "//build/config/clang:find_bad_constructs" ]
+  }
+}
+
+network_tester_unittests_resources = [
+  "//resources/network_tester/client_config.dat",
+  "//resources/network_tester/server_config.dat",
+]
+
+rtc_source_set("network_tester_unittests") {
+  sources = [
+    "network_tester_unittest.cc",
+  ]
+
+  testonly = true
+  deps = [
+    ":network_tester",
+    "//testing/gtest",
+  ]
+
+  defines = [ "GTEST_RELATIVE_PATH" ]
+
+  data = network_tester_unittests_resources
+
+  if (!build_with_chromium && is_clang) {
+    # Suppress warnings from the Chromium Clang plugin (bugs.webrtc.org/163).
+    suppressed_configs += [ "//build/config/clang:find_bad_constructs" ]
+  }
+}