Add infrastructure to run tests on android.

mojo/edk/system/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.
 
+if (is_android) {
+  import("//build/config/android/config.gni")
+  import("//build/config/android/rules.gni")
+}
+
 config("system_config") {
   defines = [
     # Ensures that dependent projects import the core functions on Windows.
     "MOJO_USE_SYSTEM_IMPL",
   ]
 }
 
 component("system") {
   output_name = "mojo_system_impl"
 
@@ skipping 77 matching lines @@
   ]
 
   deps = [
     "//base",
     "//base/third_party/dynamic_annotations",
   ]
 
   allow_circular_includes_from = [ "//mojo/edk/embedder" ]
 }
 
-# GYP version: mojo/edk/mojo_edk.gyp:mojo_system_unittests
 test("mojo_system_unittests") {
   sources = [
-    "../test/multiprocess_test_helper_unittest.cc",
     "channel_endpoint_id_unittest.cc",
     "channel_manager_unittest.cc",
     "channel_unittest.cc",
     "core_test_base.cc",
     "core_test_base.h",
     "core_unittest.cc",
     "data_pipe_unittest.cc",
     "dispatcher_unittest.cc",
     "local_data_pipe_unittest.cc",
     "memory_unittest.cc",
     "message_pipe_dispatcher_unittest.cc",
-    "message_pipe_test_utils.cc",
-    "message_pipe_test_utils.h",
     "message_pipe_unittest.cc",
-    "multiprocess_message_pipe_unittest.cc",
     "options_validation_unittest.cc",
     "platform_handle_dispatcher_unittest.cc",
     "raw_channel_unittest.cc",
     "remote_message_pipe_unittest.cc",
     "run_all_unittests.cc",
     "shared_buffer_dispatcher_unittest.cc",
     "simple_dispatcher_unittest.cc",
     # TODO(vtl): Factor test_utils.* into their own source set.
     "test_utils.cc",
     "test_utils.h",
     "waiter_list_unittest.cc",
     "waiter_test_utils.cc",
     "waiter_test_utils.h",
     "waiter_unittest.cc",
   ]
 
+  if (!is_android) {
+    sources += [
+      "../test/multiprocess_test_helper_unittest.cc",

[viettrungluu, 2014/11/21 22:18:41]

Are there compilation problems?

I'd rather not do this sort of thing.

[qsr, 2014/11/24 12:00:48]

Done.

+      "message_pipe_test_utils.cc",
+      "message_pipe_test_utils.h",
+      "multiprocess_message_pipe_unittest.cc",
+    ]
+  }
+
   deps = [
     ":system",
     "//base",
     "//base/test:test_support",
     "//mojo/edk/embedder:embedder_unittests",
     "//mojo/edk/test:test_support",
     "//testing/gtest",
   ]
 
+  if (is_android) {
+    deps += [
+      "//testing/android:native_test_native_code",
+    ]
+  }
+
   allow_circular_includes_from = [ "//mojo/edk/embedder:embedder_unittests" ]
 }
 
-# GYP version: mojo/edk/mojo_edk.gyp:mojo_message_pipe_perftests
 test("mojo_message_pipe_perftests") {
   sources = [
-    "message_pipe_perftest.cc",
-    "message_pipe_test_utils.h",
-    "message_pipe_test_utils.cc",
     "test_utils.cc",
     "test_utils.h",
   ]
 
+  if (!is_android) {
+    sources += [
+      "message_pipe_perftest.cc",
+      "message_pipe_test_utils.h",
+      "message_pipe_test_utils.cc",
+    ]
+  }
+
   deps = [
     ":system",
     "//base",
     "//base/test:test_support",
     "//base/test:test_support_perf",
     "//mojo/edk/test:test_support",
     "//testing/gtest",
   ]
 }
+
+if (is_android) {
+  unittest_apk("mojo_system_unittests_apk") {
+    deps = [
+      ":mojo_system_unittests",
+    ]
+    unittests_dep = ":mojo_system_unittests"
+  }
+}