components: Add Exosphere component.

components/exo/test/exo_test_base.h

Index: components/exo/test/exo_test_base.h
diff --git a/components/exo/test/exo_test_base.h b/components/exo/test/exo_test_base.h
new file mode 100644
index 0000000000000000000000000000000000000000..98a1f860b2a61d88b92be5c08bbd5f75196862c5
--- /dev/null
+++ b/components/exo/test/exo_test_base.h
@@ -0,0 +1,36 @@
+// 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 COMPONENTS_EXO_TEST_EXO_TEST_BASE_H_
+#define COMPONENTS_EXO_TEST_EXO_TEST_BASE_H_
+
+#include "ash/test/ash_test_base.h"
+#include "base/macros.h"
+#include "base/memory/scoped_ptr.h"
+
+namespace exo {
+namespace test {
+class ExoTestHelper;
+
+class ExoTestBase : public ash::test::AshTestBase {
+ public:
+  ExoTestBase();
+  ~ExoTestBase() override;
+
+  // Overridden from testing::Test:
+  void SetUp() override;
+  void TearDown() override;
+
+  ExoTestHelper* exo_test_helper() { return exo_test_helper_.get(); }
+
+ private:
+  scoped_ptr<ExoTestHelper> exo_test_helper_;
+
+  DISALLOW_COPY_AND_ASSIGN(ExoTestBase);
+};
+
+}  // namespace test
+}  // namespace exo
+
+#endif  // COMPONENTS_EXO_TEST_EXO_TEST_BASE_H_