Move sandboxed_unpacker.{h,cc} from chrome/ to extensions/

extensions/utility/utility_handler.h

 // Copyright 2014 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 EXTENSIONS_UTILITY_UTILITY_HANDLER_
 #define EXTENSIONS_UTILITY_UTILITY_HANDLER_
 
 #include <string>
 
+#include "base/callback.h"
 #include "base/macros.h"
 
+namespace base {
+class FilePath;
+}
+
 namespace IPC {
 class Message;
 }
 
 namespace extensions {
 
 // A handler for extensions-related IPC from within utility processes.
 class UtilityHandler {
  public:
   UtilityHandler();
   ~UtilityHandler();
 
   static void UtilityThreadStarted();
 
   bool OnMessageReceived(const IPC::Message& message);
 
  private:
   // IPC message handlers.
   void OnParseUpdateManifest(const std::string& xml);
+  void OnUnpackExtension(const base::FilePath& extension_path,
+                         const std::string& extension_id,
+                         int location, int creation_flags);
 
   DISALLOW_COPY_AND_ASSIGN(UtilityHandler);
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_UTILITY_UTILITY_HANDLER_