Mojo: Make a public test_support shared library.

mojo/public/tests/test_support_private.cc

+// 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.
+
+#include "mojo/public/tests/test_support_private.h"
+
+#include <assert.h>
+#include <stddef.h>
+#include <stdio.h>
+
+static mojo::test::TestSupport* g_test_support = NULL;
+
+extern "C" {
+
+void MojoTestSupportLogPerfResult(const char* test_name,
+                                  double value,
+                                  const char* units) {
+  if (g_test_support)
+    g_test_support->LogPerfResult(test_name, value, units);
+  else
+    printf("[no test runner]\t%s\t%g\t%s\n", test_name, value, units);
+}
+
+}  // extern "C"
+
+namespace mojo {
+namespace test {
+
+TestSupport::~TestSupport() {
+}
+
+// static
+void TestSupport::Init(TestSupport* test_support) {
+  assert(!g_test_support);
+  g_test_support = test_support;
+}
+
+// static
+TestSupport* TestSupport::Get() {
+  return g_test_support;
+}
+
+// static
+void TestSupport::Reset() {
+  g_test_support = NULL;
+}
+
+}  // namespace test
+}  // namespace mojo