Adding Size() to AbstractFileEnumerator

webkit/fileapi/local_file_system_file_util.cc

Index: webkit/fileapi/local_file_system_file_util.cc
diff --git a/webkit/fileapi/local_file_system_file_util.cc b/webkit/fileapi/local_file_system_file_util.cc
index ca028e42cb11499d7c46fb51d58a6e2e0e80d610..68d5dd01faa25f75d633a4558e5e9e6b6a91231c 100644
--- a/webkit/fileapi/local_file_system_file_util.cc
+++ b/webkit/fileapi/local_file_system_file_util.cc
@@ -241,8 +241,9 @@ class LocalFileSystemFileEnumerator
 
   ~LocalFileSystemFileEnumerator() {}
 
-  virtual FilePath Next();
-  virtual bool IsDirectory();
+  virtual FilePath Next() OVERRIDE;
+  virtual int64 Size() OVERRIDE;
+  virtual bool IsDirectory() OVERRIDE;
 
  private:
   file_util::FileEnumerator file_enum_;
@@ -260,6 +261,12 @@ FilePath LocalFileSystemFileEnumerator::Next() {
   return virtual_root_path_.Append(path);
 }
 
+int64 LocalFileSystemFileEnumerator::Size() {
+  file_util::FileEnumerator::FindInfo file_util_info;

[ericu, 2011/08/25 18:29:30]

Is there any reason that we shouldn't cache the return from GetFindInfo as you
do in FileSystemFileUtil?

[tzik, 2011/08/26 02:41:53]

Done.  No reason other than making the patch smaller.

+  file_enum_.GetFindInfo(&file_util_info);
+  return file_util::FileEnumerator::GetFilesize(file_util_info);
+}
+
 bool LocalFileSystemFileEnumerator::IsDirectory() {
   file_util::FileEnumerator::FindInfo file_util_info;
   file_enum_.GetFindInfo(&file_util_info);