Establish MojoChildConnection from BrowserChildProcessHostImpl

content/public/test/test_mojo_shell_context.h

+// Copyright 2016 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 CONTENT_PUBLIC_TEST_TEST_MOJO_SHELL_CONTEXT_H_
+#define CONTENT_PUBLIC_TEST_TEST_MOJO_SHELL_CONTEXT_H_
+
+#include <memory>
+
+#include "base/macros.h"
+
+namespace content {
+
+class MojoShellContext;
+
+// Helper class to expose the internal content::MojoShellContext type to unit
+// tests which might need to construct one.
+class TestMojoShellContext {
+ public:
+  TestMojoShellContext();
+  ~TestMojoShellContext();
+
+ private:
+  std::unique_ptr<MojoShellContext> context_;
+
+  DISALLOW_COPY_AND_ASSIGN(TestMojoShellContext);
+};
+
+}  // namespace content
+
+#endif  // CONTENT_PUBLIC_TEST_TEST_MOJO_SHELL_CONTEXT_H_