Virtualize file_util calls from FileSystemFileUtil::PerformCommonCheckAndPreparationForMoveAndCopy.

It refactors the TODO issue at http://codereview.chromium.org/6604020/ .

BUG=74841
TEST=none

Review URL: http://codereview.chromium.org/6625031

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@77375 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 21 insertions, 0 deletions

diff --git a/webkit/fileapi/file_system_file_util.h b/webkit/fileapi/file_system_file_util.h
index 9b02a44..996c9f78 100644
--- a/webkit/fileapi/file_system_file_util.h
+++ b/webkit/fileapi/file_system_file_util.h
@@ -127,6 +127,27 @@ class FileSystemFileUtil {
 
  protected:
   FileSystemFileUtil() { }
+
+  // This also removes the destination directory if it's non-empty and all
+  // other checks are passed (so that the copy/move correctly overwrites the
+  // destination).
+  PlatformFileError PerformCommonCheckAndPreparationForMoveAndCopy(
+      FileSystemOperationContext* unused,
+      const FilePath& src_file_path,
+      const FilePath& dest_file_path);
+
+  virtual bool PathExists(
+      FileSystemOperationContext* unused,
+      const FilePath& file_path);
+
+  virtual bool DirectoryExists(
+      FileSystemOperationContext* unused,
+      const FilePath& file_path);
+
+  virtual bool IsDirectoryEmpty(
+      FileSystemOperationContext* unused,
+      const FilePath& file_path);
+
   friend struct DefaultSingletonTraits<FileSystemFileUtil>;
   DISALLOW_COPY_AND_ASSIGN(FileSystemFileUtil);
 };