Support sharing of ContentMain and BrowserMain code with embedded use cases.

content/app/content_main_runner.h

+// Copyright (c) 2011 The Chromium Authors. All rights reserved.

[jam, 2012/01/12 18:07:18]

if you intend for this to be a public API to be used by embedders, it belongs in
content/public/app

nit: 2012

+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef CONTENT_APP_CONTENT_MAIN_RUNNER_H_
+#define CONTENT_APP_CONTENT_MAIN_RUNNER_H_
+#pragma once
+
+#include <string>
+
+#include "build/build_config.h"
+#include "content/common/content_export.h"
+
+#if defined(OS_WIN)
+#include <windows.h>
+#endif
+
+namespace sandbox {
+struct SandboxInterfaceInfo;
+}
+
+namespace content {
+
+class ContentMainDelegate;
+
+// This class is responsible for content initialization, running and shutdown.
+class ContentMainRunner {
+ public:
+  virtual ~ContentMainRunner() {}
+
+  // Create a new ContentMainRunner object.
+  static ContentMainRunner* CreateMainRunner();

[jam, 2012/01/12 18:07:18]

nit: we usually call these just "Create" since
ContentMainRunner::CreateMainRunner() is redundant

+
+  // Initialize all necessary content state.
+#if defined(OS_WIN)
+  // The |sandbox_info| and |delegate| objects must outlive this class.
+  // |sandbox_info| should be initialized using InitializeSandboxInfo from
+  // content_main_win.h.
+  virtual int Initialize(HINSTANCE instance,
+                         sandbox::SandboxInterfaceInfo* sandbox_info,
+                         ContentMainDelegate* delegate) = 0;
+#else
+  // The |delegate| object must outlive this class.
+  virtual int Initialize(int argc,
+                         const char** argv,
+                         ContentMainDelegate* delegate) = 0;
+#endif
+
+  // Perform the default run logic.
+  virtual int Run() = 0;
+
+  // Shut down the content state.
+  virtual void Shutdown() = 0;
+};
+
+// Return the process type.
+std::string GetProcessType(int argc, const char** argv);

[jam, 2012/01/12 18:07:18]

is this really needed? a lot of the code knows how to get the process type from
the command line arguments, there's not much to be gained by wrapping it with a
function IMO

+
+}  // namespace content
+
+#endif  // CONTENT_APP_CONTENT_MAIN_RUNNER_H_