Pass the path mapping via RefCountedData in ModuleInspector

chrome/browser/conflicts/module_inspector_win.h

 // Copyright 2017 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_CONFLICTS_MODULE_INSPECTOR_WIN_H_
 #define CHROME_BROWSER_CONFLICTS_MODULE_INSPECTOR_WIN_H_
 
 #include <memory>
 #include <queue>
 
 #include "base/callback.h"
 #include "base/macros.h"
+#include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
 #include "base/task_scheduler/task_traits.h"
 #include "base/threading/thread_checker.h"
 #include "chrome/browser/conflicts/module_info_win.h"
 
 // This class takes care of inspecting several modules (identified by their
 // ModuleInfoKey) and returning the result via the OnModuleInspectedCallback on
 // the SequencedTaskRunner where it was created.
 //
 // The inspection of all modules is quite expensive in terms of resources, so it
@@ skipping 37 matching lines @@
   std::queue<ModuleInfoKey> queue_;
 
   // The TaskPriority of the task that inspects the modules. It originally
   // starts at BACKGROUND priority, but is changed to USER_VISIBLE when
   // IncreaseInspectionPriority() is called.
   base::TaskPriority inspection_task_priority_;
 
   // The vector of paths to %env_var%, used to account for differences in
   // localization and where people keep their files.
   // e.g. c:\windows vs d:\windows
-  StringMapping path_mapping_;
+  scoped_refptr<base::RefCountedData<StringMapping>> path_mapping_;
 
   base::ThreadChecker thread_checker_;
 
   // Weak pointers are used to safely post the inspection result back to the
   // ModuleInspector from the task scheduler.
   base::WeakPtrFactory<ModuleInspector> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ModuleInspector);
 };
 
 #endif  // CHROME_BROWSER_CONFLICTS_MODULE_INSPECTOR_WIN_H_