Make an empty content browser test work.

content/shell/shell_main_delegate.h

+// Copyright (c) 2011 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_SHELL_SHELL_MAIN_DELEGATE_H_
+#define CONTENT_SHELL_SHELL_MAIN_DELEGATE_H_
+#pragma once
+
+#include "base/compiler_specific.h"
+#include "base/memory/scoped_ptr.h"
+#include "content/app/content_main_delegate.h"
+#include "content/shell/shell_content_client.h"
+
+namespace content {
+class ShellContentBrowserClient;
+class ShellContentRendererClient;
+class ShellContentPluginClient;
+class ShellContentUtilityClient;
+}  // namespace content
+
+class ShellMainDelegate : public content::ContentMainDelegate {
+ public:
+  ShellMainDelegate();
+  virtual ~ShellMainDelegate();
+
+  virtual void PreSandboxStartup() OVERRIDE;
+
+#if defined(OS_POSIX) && !defined(OS_MACOSX)
+  virtual void ZygoteForked() OVERRIDE;
+#endif
+
+ private:
+  void InitializeShellContentClient(const std::string& process_type);
+
+  scoped_ptr<content::ShellContentBrowserClient> browser_client_;
+  scoped_ptr<content::ShellContentRendererClient> renderer_client_;
+  scoped_ptr<content::ShellContentPluginClient> plugin_client_;
+  scoped_ptr<content::ShellContentUtilityClient> utility_client_;
+  content::ShellContentClient content_client_;
+
+  DISALLOW_COPY_AND_ASSIGN(ShellMainDelegate);
+};
+
+#endif  // CONTENT_SHELL_SHELL_MAIN_DELEGATE_H_