Add database recovery for FileSystemOriginDatabase

webkit/fileapi/file_system_directory_database.h

Index: webkit/fileapi/file_system_directory_database.h
diff --git a/webkit/fileapi/file_system_directory_database.h b/webkit/fileapi/file_system_directory_database.h
index 1c760b8e3fd8c487e708a8830553f0c576a625ce..98d98e38b650ba068c166e419008d693ad2a5e78 100644
--- a/webkit/fileapi/file_system_directory_database.h
+++ b/webkit/fileapi/file_system_directory_database.h
@@ -18,6 +18,7 @@ class Location;
 }
 
 namespace leveldb {
+class Status;

[jsbell, 2012/03/10 00:54:50]

This can be removed from the .h now.

[tzik, 2012/03/13 06:40:29]

Done.

 class WriteBatch;
 }
 
@@ -37,6 +38,10 @@ namespace fileapi {
 class FileSystemDirectoryDatabase {
  public:
   typedef int64 FileId;
+  enum RecoveringOption {

[ericu, 2012/03/12 19:46:01]

I'd prefer RecoveryOption to RecoveringOption, and I think that
DELETE_ON_CORRUPTION is better than REBUILD_ON_CORRUPTION, since it makes it
clear that there is data loss.  And how about FAIL_ON_CORRUPTION instead of
LEAVE_ON_CORRUPTION?

[tzik, 2012/03/13 06:40:29]

Done.

+    REBUILD_ON_CORRUPTION,
+    LEAVE_ON_CORRUPTION,
+  };
 
   struct FileInfo {
     FileInfo();
@@ -87,7 +92,7 @@ class FileSystemDirectoryDatabase {
   static bool DestroyDatabase(const FilePath& path);
 
  private:
-  bool Init();
+  bool Init(RecoveringOption recovering_option);
   bool StoreDefaultValues();
   bool GetLastFileId(FileId* file_id);
   bool VerifyIsDirectory(FileId file_id);