Minimal athena shell main

apps/shell/app/shell_main_delegate.h

 // Copyright 2013 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 APPS_SHELL_APP_SHELL_MAIN_DELEGATE_H_
 #define APPS_SHELL_APP_SHELL_MAIN_DELEGATE_H_
 
+#include "apps/shell/common/start_callback.h"
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
 #include "content/public/app/content_main_delegate.h"
 
+namespace content {
+class BrowserContext;
+class ContentBrowserClient;
+class ContentClient;
+class ContentRendererClient;
+}
+
 namespace apps {
 
-class ShellContentBrowserClient;
-class ShellContentClient;
-class ShellContentRendererClient;
-
 class ShellMainDelegate : public content::ContentMainDelegate {
  public:
-  ShellMainDelegate();
+  explicit ShellMainDelegate(StartCallback* start_callback);

[James Cook, 2014/05/08 21:27:24]

Please add a comment saying that StartCallback will only be used in the browser
process (since ShellMainDelegate is code used in all processes).

   virtual ~ShellMainDelegate();
 
   // ContentMainDelegate implementation:
   virtual bool BasicStartupComplete(int* exit_code) OVERRIDE;
   virtual void PreSandboxStartup() OVERRIDE;
   virtual content::ContentBrowserClient* CreateContentBrowserClient() OVERRIDE;
   virtual content::ContentRendererClient* CreateContentRendererClient()
       OVERRIDE;
 
  private:
   // |process_type| is zygote, renderer, utility, etc. Returns true if the
   // process needs data from resources.pak.
   static bool ProcessNeedsResourceBundle(const std::string& process_type);
 
   // Initializes the resource bundle and resources.pak.
   static void InitializeResourceBundle();
 
-  scoped_ptr<ShellContentClient> content_client_;
-  scoped_ptr<ShellContentBrowserClient> browser_client_;
-  scoped_ptr<ShellContentRendererClient> renderer_client_;
+  scoped_ptr<content::ContentClient> content_client_;
+  scoped_ptr<content::ContentBrowserClient> browser_client_;
+  scoped_ptr<content::ContentRendererClient> renderer_client_;
 
   DISALLOW_COPY_AND_ASSIGN(ShellMainDelegate);
 };
 
 }  // namespace apps
 
 #endif  // APPS_SHELL_APP_SHELL_MAIN_DELEGATE_H_