Move storage-related files from webkit/ to new top-level directory storage/

storage/browser/fileapi/file_system_backend.h

 // Copyright (c) 2012 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 WEBKIT_BROWSER_FILEAPI_FILE_SYSTEM_BACKEND_H_
 #define WEBKIT_BROWSER_FILEAPI_FILE_SYSTEM_BACKEND_H_
 
 #include <string>
 #include <vector>
 
 #include "base/callback_forward.h"
 #include "base/files/file.h"
 #include "base/files/file_path.h"
 #include "base/memory/scoped_ptr.h"
-#include "webkit/browser/fileapi/file_permission_policy.h"
-#include "webkit/browser/fileapi/open_file_system_mode.h"
-#include "webkit/browser/webkit_storage_browser_export.h"
-#include "webkit/common/fileapi/file_system_types.h"
+#include "storage/browser/fileapi/file_permission_policy.h"
+#include "storage/browser/fileapi/open_file_system_mode.h"
+#include "storage/common/storage_export.h"
+#include "storage/common/fileapi/file_system_types.h"
 
 class GURL;
 
-namespace webkit_blob {
+namespace storage {
 class FileStreamReader;
 }
 
-namespace fileapi {
+namespace storage {
 
 class AsyncFileUtil;
 class CopyOrMoveFileValidatorFactory;
 class FileSystemURL;
 class FileStreamWriter;
 class FileSystemContext;
 class FileSystemFileUtil;
 class FileSystemOperation;
 class FileSystemQuotaUtil;
 
 // An interface for defining a file system backend.
 //
 // NOTE: when you implement a new FileSystemBackend for your own
 // FileSystem module, please contact to kinuko@chromium.org.
 //
-class WEBKIT_STORAGE_BROWSER_EXPORT FileSystemBackend {
+class STORAGE_EXPORT FileSystemBackend {
  public:
   // Callback for InitializeFileSystem.
   typedef base::Callback<void(const GURL& root_url,
                               const std::string& name,
-                              base::File::Error error)>
-      OpenFileSystemCallback;
+                              base::File::Error error)> OpenFileSystemCallback;
   virtual ~FileSystemBackend() {}
 
   // Returns true if this filesystem backend can handle |type|.
   // One filesystem backend may be able to handle multiple filesystem types.
   virtual bool CanHandleType(FileSystemType type) const = 0;
 
   // This method is called right after the backend is registered in the
   // FileSystemContext and before any other methods are called. Each backend can
   // do additional initialization which depends on FileSystemContext here.
   virtual void Initialize(FileSystemContext* context) = 0;
 
   // Resolves the filesystem root URL and the name for the given |url|.
   // This verifies if it is allowed to request (or create) the filesystem and if
   // it can access (or create) the root directory.
   // If |mode| is CREATE_IF_NONEXISTENT calling this may also create the root
   // directory (and/or related database entries etc) for the filesystem if it
   // doesn't exist.
   virtual void ResolveURL(const FileSystemURL& url,
                           OpenFileSystemMode mode,
                           const OpenFileSystemCallback& callback) = 0;
 
   // Returns the specialized AsyncFileUtil for this backend.
   virtual AsyncFileUtil* GetAsyncFileUtil(FileSystemType type) = 0;
 
   // Returns the specialized CopyOrMoveFileValidatorFactory for this backend
   // and |type|.  If |error_code| is File::FILE_OK and the result is NULL,
   // then no validator is required.
   virtual CopyOrMoveFileValidatorFactory* GetCopyOrMoveFileValidatorFactory(
-      FileSystemType type, base::File::Error* error_code) = 0;
+      FileSystemType type,
+      base::File::Error* error_code) = 0;
 
   // Returns a new instance of the specialized FileSystemOperation for this
   // backend based on the given triplet of |origin_url|, |file_system_type|
   // and |virtual_path|. On failure to create a file system operation, set
   // |error_code| correspondingly.
   // This method is usually dispatched by
   // FileSystemContext::CreateFileSystemOperation.
   virtual FileSystemOperation* CreateFileSystemOperation(
       const FileSystemURL& url,
       FileSystemContext* context,
       base::File::Error* error_code) const = 0;
 
   // Returns true if Blobs accessing |url| should use FileStreamReader.
   // If false, Blobs are accessed using a snapshot file by calling
   // AsyncFileUtil::CreateSnapshotFile.
   virtual bool SupportsStreaming(const FileSystemURL& url) const = 0;
 
   // Creates a new file stream reader for a given filesystem URL |url| with an
   // offset |offset|. |expected_modification_time| specifies the expected last
   // modification if the value is non-null, the reader will check the underlying
   // file's actual modification time to see if the file has been modified, and
   // if it does any succeeding read operations should fail with
   // ERR_UPLOAD_FILE_CHANGED error.
   // This method itself does *not* check if the given path exists and is a
   // regular file.
-  virtual scoped_ptr<webkit_blob::FileStreamReader> CreateFileStreamReader(
+  virtual scoped_ptr<storage::FileStreamReader> CreateFileStreamReader(
       const FileSystemURL& url,
       int64 offset,
       const base::Time& expected_modification_time,
       FileSystemContext* context) const = 0;
 
   // Creates a new file stream writer for a given filesystem URL |url| with an
   // offset |offset|.
   // This method itself does *not* check if the given path exists and is a
   // regular file.
   virtual scoped_ptr<FileStreamWriter> CreateFileStreamWriter(
       const FileSystemURL& url,
       int64 offset,
       FileSystemContext* context) const = 0;
 
   // Returns the specialized FileSystemQuotaUtil for this backend.
   // This could return NULL if this backend does not support quota.
   virtual FileSystemQuotaUtil* GetQuotaUtil() = 0;
 };
 
 // An interface to control external file system access permissions.
-// TODO(satorux): Move this out of 'webkit/browser/fileapi'. crbug.com/257279
+// TODO(satorux): Move this out of 'storage/browser/fileapi'. crbug.com/257279
 class ExternalFileSystemBackend : public FileSystemBackend {
  public:
   // Returns true if |url| is allowed to be accessed.
   // This is supposed to perform ExternalFileSystem-specific security
   // checks.
-  virtual bool IsAccessAllowed(const fileapi::FileSystemURL& url) const = 0;
+  virtual bool IsAccessAllowed(const storage::FileSystemURL& url) const = 0;
   // Returns the list of top level directories that are exposed by this
   // provider. This list is used to set appropriate child process file access
   // permissions.
   virtual std::vector<base::FilePath> GetRootDirectories() const = 0;
   // Grants access to all external file system from extension identified with
   // |extension_id|.
   virtual void GrantFullAccessToExtension(const std::string& extension_id) = 0;
   // Grants access to |virtual_path| from |origin_url|.
   virtual void GrantFileAccessToExtension(
       const std::string& extension_id,
       const base::FilePath& virtual_path) = 0;
   // Revokes file access from extension identified with |extension_id|.
-  virtual void RevokeAccessForExtension(
-        const std::string& extension_id) = 0;
+  virtual void RevokeAccessForExtension(const std::string& extension_id) = 0;
   // Gets virtual path by known filesystem path. Returns false when filesystem
   // path is not exposed by this provider.
   virtual bool GetVirtualPath(const base::FilePath& file_system_path,
                               base::FilePath* virtual_path) = 0;
 };
 
-}  // namespace fileapi
+}  // namespace storage
 
 #endif  // WEBKIT_BROWSER_FILEAPI_FILE_SYSTEM_BACKEND_H_