Add support for sending protobuf messages over IPC.

chrome/test/BUILD.gn

 # Copyright 2014 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("//build/config/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//build/module_args/v8.gni")
 import("//testing/test.gni")
 
@@ skipping 199 matching lines @@
     "//chrome:strings",
     "//chrome/browser",
     "//chrome/common",
     "//mojo/environment:chromium",
     "//third_party/mojo/src/mojo/edk/system",
   ]
 }
 
 if (!is_android) {
   import("//chrome/chrome_tests.gni")
+  import("//third_party/protobuf/proto_library.gni")
+
+  # GYP version: chrome/chrome_tests_unit.gypi:ipc_protobuf_message_test_proto
+  proto_library("test_proto") {
+    sources = [
+      "../common/safe_browsing/ipc_protobuf_message_test.proto",
+    ]
+  }
 
   test("interactive_ui_tests") {
     sources =
         rebase_path(chrome_tests_gypi_values.chrome_interactive_ui_test_sources,
                     ".",
                     "//chrome")
 
     defines = [ "HAS_OUT_OF_PROC_TEST_RUNNER" ]
     ldflags = []
 
@@ skipping 1214 matching lines @@
         ]
       }
     }
     if (safe_browsing_mode == 1) {
       # TODO(sgurun): enable tests for safe_browsing==2.
       sources += rebase_path(
               unit_gypi_values.chrome_unit_tests_full_safe_browsing_sources,
               ".",
               "//chrome")
       defines += [ "FULL_SAFE_BROWSING" ]
+      deps += [ ":test_proto" ]
       if (is_chromeos) {
         sources -= [ "../browser/safe_browsing/download_protection_service_unittest.cc" ]
       } else if (is_android) {
+        deps -= [ ":test_proto" ]
         sources -= [
           # Android doesn't support download feedbacks.
           "../browser/safe_browsing/download_feedback_service_unittest.cc",
           "../browser/safe_browsing/download_feedback_unittest.cc",
           "../browser/safe_browsing/download_protection_service_unittest.cc",
           "../browser/safe_browsing/two_phase_uploader_unittest.cc",
+          "../common/safe_browsing/ipc_protobuf_message_test_messages.h",
+          "../common/safe_browsing/ipc_protobuf_message_unittest.cc",
         ]
       }
     }
     if (enable_autofill_dialog && !is_android) {
       sources += rebase_path(
               unit_gypi_values.chrome_unit_tests_autofill_dialog_sources,
               ".",
               "//chrome")
     }
     if (enable_plugins) {
@@ skipping 207 matching lines @@
     }
     if (use_ozone) {
       # crbug.com/354036
       sources -= [ "../browser/chromeos/events/event_rewriter_unittest.cc" ]
     }
     if (!enable_plugin_installation) {
       sources -= [ "../browser/plugins/plugin_installer_unittest.cc" ]
     }
   }
 }