Convert //extensions/browser from scoped_ptr to std::unique_ptr

extensions/browser/mojo/stash_backend.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_MOJO_STASH_BACKEND_H_
 #define EXTENSIONS_BROWSER_MOJO_STASH_BACKEND_H_
 
 #include <vector>
 
 #include "base/callback.h"
@@ skipping 21 matching lines @@
   // RetrieveStash.
   mojo::Array<StashedObjectPtr> RetrieveStash();
 
  private:
   class StashEntry;
 
   // Invoked when a handle is readable.
   void OnHandleReady();
 
   // The objects that have been stashed.
-  std::vector<scoped_ptr<StashEntry>> stashed_objects_;
+  std::vector<std::unique_ptr<StashEntry>> stashed_objects_;
 
   // The callback to call when a handle is readable.
   const base::Closure on_handle_readable_;
 
   // Whether a handle has become readable since the last RetrieveStash() call.
   bool has_notified_;
 
   base::WeakPtrFactory<StashBackend> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(StashBackend);
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_BROWSER_MOJO_STASH_BACKEND_H_