Mojo: Make a public test_support shared library.

mojo/common/test/test_support_impl.h

+// 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.
+
+#ifndef MOJO_COMMON_TEST_TEST_SUPPORT_IMPL_H_
+#define MOJO_COMMON_TEST_TEST_SUPPORT_IMPL_H_
+
+#include "base/macros.h"
+#include "mojo/public/tests/test_support_private.h"
+
+namespace mojo {
+namespace test {
+
+class TestSupportImpl : public TestSupport {
+ public:
+  TestSupportImpl();
+  virtual ~TestSupportImpl();
+
+  virtual void LogPerfResult(const char* test_name,
+                             double value,
+                             const char* units) OVERRIDE;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(TestSupportImpl);
+};
+
+}  // namespace test
+}  // namespace mojo
+
+#endif  // MOJO_COMMON_TEST_TEST_SUPPORT_IMPL_H_