components: Add Exosphere component.

components/exo/test/exo_test_helper.h

+// 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_HELPER_H_
+#define COMPONENTS_EXO_TEST_EXO_TEST_HELPER_H_
+
+#include "base/compiler_specific.h"
+#include "base/macros.h"
+#include "base/memory/scoped_ptr.h"
+#include "ui/gfx/geometry/size.h"
+
+namespace gfx {
+class GpuMemoryBuffer;
+}
+
+namespace exo {
+namespace test {
+
+// A helper class that does common initialization required for Exosphere.
+class ExoTestHelper {
+ public:
+  ExoTestHelper();
+  ~ExoTestHelper();
+
+  // Creates a GpuMemoryBuffer instance that can be used for tests.
+  scoped_ptr<gfx::GpuMemoryBuffer> CreateGpuMemoryBuffer(const gfx::Size& size);
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(ExoTestHelper);
+};
+
+}  // namespace test
+}  // namespace exo
+
+#endif  // COMPONENTS_EXO_TEST_EXO_TEST_HELPER_H_