Some linked_ptr -> unique_ptr conversion in extensions/browser.

extensions/browser/content_verifier_io_data.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_BROWSER_CONTENT_VERIFIER_IO_DATA_H_
 #define EXTENSIONS_BROWSER_CONTENT_VERIFIER_IO_DATA_H_
 
 #include <map>
 #include <memory>
 #include <set>
 #include <string>
 
 #include "base/files/file_path.h"
-#include "base/memory/linked_ptr.h"
 #include "base/memory/ref_counted.h"
 #include "base/version.h"
 
 namespace extensions {
 
 // A helper class for keeping track of data for the ContentVerifier that should
 // only be accessed on the IO thread.
 class ContentVerifierIOData
     : public base::RefCountedThreadSafe<ContentVerifierIOData> {
  public:
@@ skipping 14 matching lines @@
   void Clear();
 
   // This should be called on the IO thread, and the return value should not
   // be retained or used on other threads.
   const ExtensionData* GetData(const std::string& extension_id);
 
  protected:
   friend class base::RefCountedThreadSafe<ContentVerifierIOData>;
   virtual ~ContentVerifierIOData();
 
-  std::map<std::string, linked_ptr<ExtensionData> > data_map_;
+  std::map<std::string, std::unique_ptr<ExtensionData>> data_map_;
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_BROWSER_CONTENT_VERIFIER_IO_DATA_H_