Introduce ChannelMojo

ipc/mojo/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.
+
+component("mojo") {
+  sources = [
+    "ipc_channel_mojo.cc",
+    "ipc_channel_mojo.h",
+    "ipc_message_pipe_reader.cc",
+    "ipc_message_pipe_reader.h",
+  ]
+
+  deps = [
+    "//base",
+    "//ipc",
+    "//mojo/public/cpp/bindings",
+    "//mojo/system",
+    # TODO(viettrungluu): Needed for base/lazy_instance.h, which is suspect.
+    "//base/third_party/dynamic_annotations",
+  ]
+}
+
+test("ipc_mojo_unittests") {
+  sources = [
+    "ipc_channel_mojo_unittest.cc",
+    "run_all_unittests.cc",
+  ]
+
+  deps = [
+    "//base",
+    # TODO(viettrungluu): Needed for base/lazy_instance.h, which is suspect.
+    "//base/test:test_support",
+    "//base/third_party/dynamic_annotations",
+    "//ipc",
+    "//ipc:test_support",
+    "//ipc/mojo",
+    "//mojo/environment:chromium",
+    "//mojo/system",
+    "//url",
+  ]
+}