Provide dummy Android UI thread with looper for C++ unit tests

base/test/test_ui_thread_android.h

Index: base/test/test_ui_thread_android.h
diff --git a/base/test/test_ui_thread_android.h b/base/test/test_ui_thread_android.h
new file mode 100644
index 0000000000000000000000000000000000000000..e62d8c911d9d1823a6bed19bd9567a3f5e92c22e
--- /dev/null
+++ b/base/test/test_ui_thread_android.h
@@ -0,0 +1,21 @@
+// 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.
+
+#ifndef BASE_TEST_ANDROID_TEST_UI_THREAD_

[nyquist, 2015/06/08 23:38:19]

Nit: BASE_TEST_TEST_UI_THREAD_ANDROID_H_

[aberent, 2015/06/09 10:33:13]

Done.

+#define BASE_TEST_ANDROID_TEST_UI_THREAD_
+
+#include <jni.h>
+
+namespace base {
+
+// Set up a thread as the Chromium UI Thread, and run its looper. This is is
+// intended for C++ unit tests (e.g. the net unit tests) that don't run with the
+// UI thread as their main looper, but test code that, on Android, uses Ui

[nyquist, 2015/06/08 23:38:19]

Nit: UI* here and below

[aberent, 2015/06/09 10:33:13]

Done.

+// thread events, so need a running Ui thread.
+void StartTestUiThreadLooper();
+
+bool RegisterTestUiThreadAndroid(JNIEnv* env);
+}  // namespace base
+
+#endif  //  BASE_TEST_ANDROID_TEST_UI_THREAD_