Remove OwnPtr from Blink.

third_party/WebKit/Source/modules/filesystem/FileSystemCallbacks.h

 /*
  * Copyright (C) 2010 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 18 matching lines @@
  */
 
 #ifndef FileSystemCallbacks_h
 #define FileSystemCallbacks_h
 
 #include "modules/filesystem/EntriesCallback.h"
 #include "platform/AsyncFileSystemCallbacks.h"
 #include "platform/FileSystemType.h"
 #include "wtf/Vector.h"
 #include "wtf/text/WTFString.h"
+#include <memory>
 
 namespace blink {
 
 class DOMFileSystemBase;
 class DirectoryReaderBase;
 class EntriesCallback;
 class EntryCallback;
 class ErrorCallback;
 class BlobCallback;
 class FileMetadata;
@@ skipping 27 matching lines @@
     Persistent<ErrorCallback> m_errorCallback;
     Persistent<DOMFileSystemBase> m_fileSystem;
     Persistent<ExecutionContext> m_executionContext;
     int m_asyncOperationId;
 };
 
 // Subclasses ----------------------------------------------------------------
 
 class EntryCallbacks final : public FileSystemCallbacksBase {
 public:
-    static PassOwnPtr<AsyncFileSystemCallbacks> create(EntryCallback*, ErrorCallback*, ExecutionContext*, DOMFileSystemBase*, const String& expectedPath, bool isDirectory);
+    static std::unique_ptr<AsyncFileSystemCallbacks> create(EntryCallback*, ErrorCallback*, ExecutionContext*, DOMFileSystemBase*, const String& expectedPath, bool isDirectory);
     void didSucceed() override;
 
 private:
     EntryCallbacks(EntryCallback*, ErrorCallback*, ExecutionContext*, DOMFileSystemBase*, const String& expectedPath, bool isDirectory);
     Persistent<EntryCallback> m_successCallback;
     String m_expectedPath;
     bool m_isDirectory;
 };
 
 class EntriesCallbacks final : public FileSystemCallbacksBase {
 public:
-    static PassOwnPtr<AsyncFileSystemCallbacks> create(EntriesCallback*, ErrorCallback*, ExecutionContext*, DirectoryReaderBase*, const String& basePath);
+    static std::unique_ptr<AsyncFileSystemCallbacks> create(EntriesCallback*, ErrorCallback*, ExecutionContext*, DirectoryReaderBase*, const String& basePath);
     void didReadDirectoryEntry(const String& name, bool isDirectory) override;
     void didReadDirectoryEntries(bool hasMore) override;
 
 private:
     EntriesCallbacks(EntriesCallback*, ErrorCallback*, ExecutionContext*, DirectoryReaderBase*, const String& basePath);
     Persistent<EntriesCallback> m_successCallback;
     Persistent<DirectoryReaderBase> m_directoryReader;
     String m_basePath;
     PersistentHeapVector<Member<Entry>> m_entries;
 };
 
 class FileSystemCallbacks final : public FileSystemCallbacksBase {
 public:
-    static PassOwnPtr<AsyncFileSystemCallbacks> create(FileSystemCallback*, ErrorCallback*, ExecutionContext*, FileSystemType);
+    static std::unique_ptr<AsyncFileSystemCallbacks> create(FileSystemCallback*, ErrorCallback*, ExecutionContext*, FileSystemType);
     void didOpenFileSystem(const String& name, const KURL& rootURL) override;
 
 private:
     FileSystemCallbacks(FileSystemCallback*, ErrorCallback*, ExecutionContext*, FileSystemType);
     Persistent<FileSystemCallback> m_successCallback;
     FileSystemType m_type;
 };
 
 class ResolveURICallbacks final : public FileSystemCallbacksBase {
 public:
-    static PassOwnPtr<AsyncFileSystemCallbacks> create(EntryCallback*, ErrorCallback*, ExecutionContext*);
+    static std::unique_ptr<AsyncFileSystemCallbacks> create(EntryCallback*, ErrorCallback*, ExecutionContext*);
     void didResolveURL(const String& name, const KURL& rootURL, FileSystemType, const String& filePath, bool isDirectry) override;
 
 private:
     ResolveURICallbacks(EntryCallback*, ErrorCallback*, ExecutionContext*);
     Persistent<EntryCallback> m_successCallback;
 };
 
 class MetadataCallbacks final : public FileSystemCallbacksBase {
 public:
-    static PassOwnPtr<AsyncFileSystemCallbacks> create(MetadataCallback*, ErrorCallback*, ExecutionContext*, DOMFileSystemBase*);
+    static std::unique_ptr<AsyncFileSystemCallbacks> create(MetadataCallback*, ErrorCallback*, ExecutionContext*, DOMFileSystemBase*);
     void didReadMetadata(const FileMetadata&) override;
 
 private:
     MetadataCallbacks(MetadataCallback*, ErrorCallback*, ExecutionContext*, DOMFileSystemBase*);
     Persistent<MetadataCallback> m_successCallback;
 };
 
 class FileWriterBaseCallbacks final : public FileSystemCallbacksBase {
 public:
-    static PassOwnPtr<AsyncFileSystemCallbacks> create(FileWriterBase*, FileWriterBaseCallback*, ErrorCallback*, ExecutionContext*);
-    void didCreateFileWriter(PassOwnPtr<WebFileWriter>, long long length) override;
+    static std::unique_ptr<AsyncFileSystemCallbacks> create(FileWriterBase*, FileWriterBaseCallback*, ErrorCallback*, ExecutionContext*);
+    void didCreateFileWriter(std::unique_ptr<WebFileWriter>, long long length) override;
 
 private:
     FileWriterBaseCallbacks(FileWriterBase*, FileWriterBaseCallback*, ErrorCallback*, ExecutionContext*);
     Persistent<FileWriterBase> m_fileWriter;
     Persistent<FileWriterBaseCallback> m_successCallback;
 };
 
 class SnapshotFileCallback final : public FileSystemCallbacksBase {
 public:
-    static PassOwnPtr<AsyncFileSystemCallbacks> create(DOMFileSystemBase*, const String& name, const KURL&, BlobCallback*, ErrorCallback*, ExecutionContext*);
+    static std::unique_ptr<AsyncFileSystemCallbacks> create(DOMFileSystemBase*, const String& name, const KURL&, BlobCallback*, ErrorCallback*, ExecutionContext*);
     virtual void didCreateSnapshotFile(const FileMetadata&, PassRefPtr<BlobDataHandle> snapshot);
 
 private:
     SnapshotFileCallback(DOMFileSystemBase*, const String& name, const KURL&, BlobCallback*, ErrorCallback*, ExecutionContext*);
     String m_name;
     KURL m_url;
     Persistent<BlobCallback> m_successCallback;
 };
 
 class VoidCallbacks final : public FileSystemCallbacksBase {
 public:
-    static PassOwnPtr<AsyncFileSystemCallbacks> create(VoidCallback*, ErrorCallback*, ExecutionContext*, DOMFileSystemBase*);
+    static std::unique_ptr<AsyncFileSystemCallbacks> create(VoidCallback*, ErrorCallback*, ExecutionContext*, DOMFileSystemBase*);
     void didSucceed() override;
 
 private:
     VoidCallbacks(VoidCallback*, ErrorCallback*, ExecutionContext*, DOMFileSystemBase*);
     Persistent<VoidCallback> m_successCallback;
 };
 
 } // namespace blink
 
 #endif // FileSystemCallbacks_h