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

storage/browser/fileapi/file_system_file_util.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_FILE_UTIL_H_
 #define WEBKIT_BROWSER_FILEAPI_FILE_SYSTEM_FILE_UTIL_H_
 
 #include "base/files/file.h"
 #include "base/files/file_path.h"
 #include "base/memory/scoped_ptr.h"
-#include "webkit/browser/fileapi/file_system_operation.h"
-#include "webkit/browser/webkit_storage_browser_export.h"
-#include "webkit/common/blob/scoped_file.h"
+#include "storage/browser/fileapi/file_system_operation.h"
+#include "storage/common/storage_export.h"
+#include "storage/common/blob/scoped_file.h"
 
 namespace base {
 class Time;
 }
 
-namespace fileapi {
+namespace storage {
 
 class FileSystemOperationContext;
 class FileSystemURL;
 
 // A file utility interface that provides basic file utility methods for
 // FileSystem API.
 //
 // Layering structure of the FileSystemFileUtil was split out.
 // See http://crbug.com/128136 if you need it.
-class WEBKIT_STORAGE_BROWSER_EXPORT FileSystemFileUtil {
+class STORAGE_EXPORT FileSystemFileUtil {
  public:
   typedef FileSystemOperation::CopyOrMoveOption CopyOrMoveOption;
 
   // It will be implemented by each subclass such as FileSystemFileEnumerator.
-  class WEBKIT_STORAGE_BROWSER_EXPORT AbstractFileEnumerator {
+  class STORAGE_EXPORT AbstractFileEnumerator {
    public:
     virtual ~AbstractFileEnumerator() {}
 
     // Returns an empty string if there are no more results.
     virtual base::FilePath Next() = 0;
 
     // These methods return metadata for the file most recently returned by
     // Next(). If Next() has never been called, or if Next() most recently
     // returned an empty string, then return the default values of 0,
     // "null time", and false, respectively.
     virtual int64 Size() = 0;
     virtual base::Time LastModifiedTime() = 0;
     virtual bool IsDirectory() = 0;
   };
 
-  class WEBKIT_STORAGE_BROWSER_EXPORT EmptyFileEnumerator
-      : public AbstractFileEnumerator {
+  class STORAGE_EXPORT EmptyFileEnumerator : public AbstractFileEnumerator {
     virtual base::FilePath Next() OVERRIDE;
     virtual int64 Size() OVERRIDE;
     virtual base::Time LastModifiedTime() OVERRIDE;
     virtual bool IsDirectory() OVERRIDE;
   };
 
   virtual ~FileSystemFileUtil() {}
 
   // Creates or opens a file with the given flags.
   // See header comments for AsyncFileUtil::CreateOrOpen() for more details.
   // This is used only by Pepper/NaCl File API.
-  virtual base::File CreateOrOpen(
-      FileSystemOperationContext* context,
-      const FileSystemURL& url,
-      int file_flags) = 0;
+  virtual base::File CreateOrOpen(FileSystemOperationContext* context,
+                                  const FileSystemURL& url,
+                                  int file_flags) = 0;
 
   // Ensures that the given |url| exist.  This creates a empty new file
   // at |url| if the |url| does not exist.
   // See header comments for AsyncFileUtil::EnsureFileExists() for more details.
   virtual base::File::Error EnsureFileExists(
       FileSystemOperationContext* context,
-      const FileSystemURL& url, bool* created) = 0;
+      const FileSystemURL& url,
+      bool* created) = 0;
 
   // Creates directory at given url.
   // See header comments for AsyncFileUtil::CreateDirectory() for more details.
-  virtual base::File::Error CreateDirectory(
-      FileSystemOperationContext* context,
-      const FileSystemURL& url,
-      bool exclusive,
-      bool recursive) = 0;
+  virtual base::File::Error CreateDirectory(FileSystemOperationContext* context,
+                                            const FileSystemURL& url,
+                                            bool exclusive,
+                                            bool recursive) = 0;
 
   // Retrieves the information about a file.
   // See header comments for AsyncFileUtil::GetFileInfo() for more details.
-  virtual base::File::Error GetFileInfo(
-      FileSystemOperationContext* context,
-      const FileSystemURL& url,
-      base::File::Info* file_info,
-      base::FilePath* platform_path) = 0;
+  virtual base::File::Error GetFileInfo(FileSystemOperationContext* context,
+                                        const FileSystemURL& url,
+                                        base::File::Info* file_info,
+                                        base::FilePath* platform_path) = 0;
 
   // Returns a pointer to a new instance of AbstractFileEnumerator which is
   // implemented for each FileSystemFileUtil subclass. The instance needs to be
   // freed by the caller, and its lifetime should not extend past when the
   // current call returns to the main FILE message loop.
   //
   // The supplied context must remain valid at least lifetime of the enumerator
   // instance.
   virtual scoped_ptr<AbstractFileEnumerator> CreateFileEnumerator(
       FileSystemOperationContext* context,
       const FileSystemURL& root_url) = 0;
 
   // Maps |file_system_url| given |context| into |local_file_path|
   // which represents physical file location on the host OS.
   // This may not always make sense for all subclasses.
   virtual base::File::Error GetLocalFilePath(
       FileSystemOperationContext* context,
       const FileSystemURL& file_system_url,
       base::FilePath* local_file_path) = 0;
 
   // Updates the file metadata information.
   // See header comments for AsyncFileUtil::Touch() for more details.
-  virtual base::File::Error Touch(
-      FileSystemOperationContext* context,
-      const FileSystemURL& url,
-      const base::Time& last_access_time,
-      const base::Time& last_modified_time) = 0;
+  virtual base::File::Error Touch(FileSystemOperationContext* context,
+                                  const FileSystemURL& url,
+                                  const base::Time& last_access_time,
+                                  const base::Time& last_modified_time) = 0;
 
   // Truncates a file to the given length.
   // See header comments for AsyncFileUtil::Truncate() for more details.
-  virtual base::File::Error Truncate(
-      FileSystemOperationContext* context,
-      const FileSystemURL& url,
-      int64 length) = 0;
+  virtual base::File::Error Truncate(FileSystemOperationContext* context,
+                                     const FileSystemURL& url,
+                                     int64 length) = 0;
 
   // Copies or moves a single file from |src_url| to |dest_url|.
   // The filesystem type of |src_url| and |dest_url| MUST be same.
   // For |option|, please see file_system_operation.h
   //
   // This returns:
   // - File::FILE_ERROR_NOT_FOUND if |src_url|
   //   or the parent directory of |dest_url| does not exist.
   // - File::FILE_ERROR_NOT_A_FILE if |src_url| exists but is not a file.
   // - File::FILE_ERROR_INVALID_OPERATION if |dest_url| exists and
   //   is not a file.
   // - File::FILE_ERROR_FAILED if |dest_url| does not exist and
   //   its parent path is a file.
   //
-  virtual base::File::Error CopyOrMoveFile(
-      FileSystemOperationContext* context,
-      const FileSystemURL& src_url,
-      const FileSystemURL& dest_url,
-      CopyOrMoveOption option,
-      bool copy) = 0;
+  virtual base::File::Error CopyOrMoveFile(FileSystemOperationContext* context,
+                                           const FileSystemURL& src_url,
+                                           const FileSystemURL& dest_url,
+                                           CopyOrMoveOption option,
+                                           bool copy) = 0;
 
   // Copies in a single file from a different filesystem.
   // See header comments for AsyncFileUtil::CopyInForeignFile() for
   // more details.
   virtual base::File::Error CopyInForeignFile(
-        FileSystemOperationContext* context,
-        const base::FilePath& src_file_path,
-        const FileSystemURL& dest_url) = 0;
+      FileSystemOperationContext* context,
+      const base::FilePath& src_file_path,
+      const FileSystemURL& dest_url) = 0;
 
   // Deletes a single file.
   // See header comments for AsyncFileUtil::DeleteFile() for more details.
-  virtual base::File::Error DeleteFile(
-      FileSystemOperationContext* context,
-      const FileSystemURL& url) = 0;
+  virtual base::File::Error DeleteFile(FileSystemOperationContext* context,
+                                       const FileSystemURL& url) = 0;
 
   // Deletes a single empty directory.
   // See header comments for AsyncFileUtil::DeleteDirectory() for more details.
-  virtual base::File::Error DeleteDirectory(
-      FileSystemOperationContext* context,
-      const FileSystemURL& url) = 0;
+  virtual base::File::Error DeleteDirectory(FileSystemOperationContext* context,
+                                            const FileSystemURL& url) = 0;
 
   // Creates a local snapshot file for a given |url| and returns the
   // metadata and platform path of the snapshot file via |callback|.
   //
   // See header comments for AsyncFileUtil::CreateSnapshotFile() for
   // more details.
-  virtual webkit_blob::ScopedFile CreateSnapshotFile(
+  virtual storage::ScopedFile CreateSnapshotFile(
       FileSystemOperationContext* context,
       const FileSystemURL& url,
       base::File::Error* error,
       base::File::Info* file_info,
       base::FilePath* platform_path) = 0;
 
  protected:
   FileSystemFileUtil() {}
 
  private:
   DISALLOW_COPY_AND_ASSIGN(FileSystemFileUtil);
 };
 
-}  // namespace fileapi
+}  // namespace storage
 
 #endif  // WEBKIT_BROWSER_FILEAPI_FILE_SYSTEM_FILE_UTIL_H_