Convert //components/[f-n]* from scoped_ptr to std::unique_ptr

components/filesystem/public/cpp/prefs/filesystem_json_pref_store.h

 // Copyright 2016 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 COMPONENTS_FILESYSTEM_PUBLIC_CPP_PREFS_FILESYSTEM_JSON_PREF_STORE_H_
 #define COMPONENTS_FILESYSTEM_PUBLIC_CPP_PREFS_FILESYSTEM_JSON_PREF_STORE_H_
 
 #include <stdint.h>
 
+#include <memory>
 #include <set>
 #include <string>
 
 #include "base/callback_forward.h"
 #include "base/compiler_specific.h"
 #include "base/files/file_path.h"
 #include "base/gtest_prod_util.h"
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/observer_list.h"
 #include "base/threading/non_thread_safe.h"
 #include "components/filesystem/public/interfaces/directory.mojom.h"
 #include "components/filesystem/public/interfaces/file.mojom.h"
 #include "components/filesystem/public/interfaces/file_system.mojom.h"
 #include "components/filesystem/public/interfaces/types.mojom.h"
 #include "components/prefs/base_prefs_export.h"
 #include "components/prefs/persistent_pref_store.h"
 #include "components/prefs/pref_filter.h"
@@ skipping 27 matching lines @@
 class FilesystemJsonPrefStore
     : public PersistentPrefStore,
       public filesystem::FileSystemClient,
       public base::SupportsWeakPtr<FilesystemJsonPrefStore>,
       public base::NonThreadSafe {
  public:
   struct ReadResult;
 
   FilesystemJsonPrefStore(const std::string& pref_filename,
                           filesystem::FileSystemPtr filesystem,
-                          scoped_ptr<PrefFilter> pref_filter);
+                          std::unique_ptr<PrefFilter> pref_filter);
 
   // PrefStore overrides:
   bool GetValue(const std::string& key,
                 const base::Value** result) const override;
   void AddObserver(PrefStore::Observer* observer) override;
   void RemoveObserver(PrefStore::Observer* observer) override;
   bool HasObservers() const override;
   bool IsInitializationComplete() const override;
 
   // PersistentPrefStore overrides:
   bool GetMutableValue(const std::string& key, base::Value** result) override;
   void SetValue(const std::string& key,
-                scoped_ptr<base::Value> value,
+                std::unique_ptr<base::Value> value,
                 uint32_t flags) override;
   void SetValueSilently(const std::string& key,
-                        scoped_ptr<base::Value> value,
+                        std::unique_ptr<base::Value> value,
                         uint32_t flags) override;
   void RemoveValue(const std::string& key, uint32_t flags) override;
   bool ReadOnly() const override;
   PrefReadError GetReadError() const override;
   // Note this method may be asynchronous if this instance has a |pref_filter_|
   // in which case it will return PREF_READ_ERROR_ASYNCHRONOUS_TASK_INCOMPLETE.
   // See details in pref_filter.h.
   PrefReadError ReadPrefs() override;
   void ReadPrefsAsync(ReadErrorDelegate* error_delegate) override;
   void CommitPendingWrite() override;
@@ skipping 13 matching lines @@
   friend class base::JsonPrefStoreLossyWriteTest;
 
   ~FilesystemJsonPrefStore() override;
 
   // This method is called after the JSON file has been read.  It then hands
   // |value| (or an empty dictionary in some read error cases) to the
   // |pref_filter| if one is set. It also gives a callback pointing at
   // FinalizeFileRead() to that |pref_filter_| which is then responsible for
   // invoking it when done. If there is no |pref_filter_|, FinalizeFileRead()
   // is invoked directly.
-  void OnFileRead(scoped_ptr<ReadResult> read_result);
+  void OnFileRead(std::unique_ptr<ReadResult> read_result);
 
   // This method is called after the JSON file has been read and the result has
   // potentially been intercepted and modified by |pref_filter_|.
   // |schedule_write| indicates whether a write should be immediately scheduled
   // (typically because the |pref_filter_| has already altered the |prefs|) --
   // this will be ignored if this store is read-only.
-  void FinalizeFileRead(scoped_ptr<base::DictionaryValue> prefs,
+  void FinalizeFileRead(std::unique_ptr<base::DictionaryValue> prefs,
                         bool schedule_write);
 
   // Schedule a write with the file writer as long as |flags| doesn't contain
   // WriteablePrefStore::LOSSY_PREF_WRITE_FLAG.
   void ScheduleWrite(uint32_t flags);
 
   // Actually performs a write. Unlike the //base version of this class, we
   // don't use the ImportantFileWriter and instead write using the mojo
   // filesystem API.
   void PerformWrite();
@@ skipping 16 matching lines @@
   void OnPreferencesFileRead(FileError err, mojo::Array<uint8_t> contents);
 
   const std::string path_;
   mojo::Binding<filesystem::FileSystemClient> binding_;
   filesystem::FileSystemPtr filesystem_;
 
   // |directory_| is only bound after the first attempt to access the
   // |filesystem. See OpenFilesystem().
   DirectoryPtr directory_;
 
-  scoped_ptr<base::DictionaryValue> prefs_;
+  std::unique_ptr<base::DictionaryValue> prefs_;
 
   bool read_only_;
 
-  scoped_ptr<PrefFilter> pref_filter_;
+  std::unique_ptr<PrefFilter> pref_filter_;
   base::ObserverList<PrefStore::Observer, true> observers_;
 
-  scoped_ptr<ReadErrorDelegate> error_delegate_;
+  std::unique_ptr<ReadErrorDelegate> error_delegate_;
 
   bool initialized_;
   bool filtering_in_progress_;
   bool pending_lossy_write_;
   PrefReadError read_error_;
 
   DISALLOW_COPY_AND_ASSIGN(FilesystemJsonPrefStore);
 };
 
 }  // namespace filesystem
 
 #endif  // COMPONENTS_FILESYSTEM_PUBLIC_CPP_PREFS_FILESYSTEM_JSON_PREF_STORE_H_