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

content/shell/shell_browser_main.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_BROWSER_MAIN_H_
 #define CONTENT_SHELL_SHELL_BROWSER_MAIN_H_
 #pragma once
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 #include "content/public/browser/browser_main_parts.h"
 
+class ShellMainDelegate;
+
 namespace base {
 class Thread;
 }
 
 namespace ui {
 class Clipboard;
 }
 
 namespace content {
 
 class ShellBrowserContext;
 struct MainFunctionParams;
 
 class ShellBrowserMainParts : public BrowserMainParts {
  public:
-  explicit ShellBrowserMainParts(const content::MainFunctionParams& parameters);
+  explicit ShellBrowserMainParts(ShellMainDelegate* delegate,
+                                 const content::MainFunctionParams& parameters);
   virtual ~ShellBrowserMainParts();
 
   virtual void PreEarlyInitialization() OVERRIDE {}
   virtual void PostEarlyInitialization() OVERRIDE {}
   virtual void PreMainMessageLoopStart() OVERRIDE {}
+  virtual MessageLoop* GetMainMessageLoop() OVERRIDE;
+  virtual void PostMainMessageLoopStart() OVERRIDE {}
   virtual void ToolkitInitialized() OVERRIDE {}
-  virtual void PostMainMessageLoopStart() OVERRIDE {}
   virtual void PreCreateThreads() OVERRIDE {}
   virtual void PreMainMessageLoopRun() OVERRIDE;
   virtual bool MainMessageLoopRun(int* result_code) OVERRIDE;
   virtual void PostMainMessageLoopRun() OVERRIDE;
   virtual void PostDestroyThreads() OVERRIDE {}
 
   ui::Clipboard* GetClipboard();
 
  private:
+  // The delegate will always outlive this class.
+  ShellMainDelegate* delegate_;
+
   scoped_ptr<ShellBrowserContext> browser_context_;
 
   scoped_ptr<ui::Clipboard> clipboard_;
 
   DISALLOW_COPY_AND_ASSIGN(ShellBrowserMainParts);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_SHELL_SHELL_BROWSER_MAIN_H_