Extract ProcessManager from ExtensionSystem.

chrome/browser/extensions/extension_system_impl.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 CHROME_BROWSER_EXTENSIONS_EXTENSION_SYSTEM_IMPL_H_
 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_SYSTEM_IMPL_H_
 
 #include "base/memory/scoped_vector.h"
 #include "extensions/browser/extension_system.h"
 #include "extensions/common/one_shot_event.h"
@@ skipping 23 matching lines @@
   // KeyedService implementation.
   void Shutdown() override;
 
   void InitForRegularProfile(bool extensions_enabled) override;
 
   ExtensionService* extension_service() override;  // shared
   RuntimeData* runtime_data() override;            // shared
   ManagementPolicy* management_policy() override;  // shared
   // shared
   SharedUserScriptMaster* shared_user_script_master() override;
-  ProcessManager* process_manager() override;
   StateStore* state_store() override;                              // shared
   StateStore* rules_store() override;                              // shared
   LazyBackgroundTaskQueue* lazy_background_task_queue() override;  // shared
   InfoMap* info_map() override;                                    // shared
   EventRouter* event_router() override;                            // shared
   WarningService* warning_service() override;
   Blacklist* blacklist() override;  // shared
   ErrorConsole* error_console() override;
   InstallVerifier* install_verifier() override;
   QuotaService* quota_service() override;  // shared
@@ skipping 94 matching lines @@
         device_local_account_management_policy_provider_;
 #endif
 
     OneShotEvent ready_;
   };
 
   Profile* profile_;
 
   Shared* shared_;
 
-  // |process_manager_| must be destroyed before the Profile's |io_data_|. While
-  // |process_manager_| still lives, we handle incoming resource requests from
-  // extension processes and those require access to the ResourceContext owned
-  // by |io_data_|.
-  scoped_ptr<ProcessManager> process_manager_;
-
   DISALLOW_COPY_AND_ASSIGN(ExtensionSystemImpl);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_SYSTEM_IMPL_H_