Handling LevelDB errors encountered after open.

content/browser/indexed_db/indexed_db_backing_store.h

Index: content/browser/indexed_db/indexed_db_backing_store.h
diff --git a/content/browser/indexed_db/indexed_db_backing_store.h b/content/browser/indexed_db/indexed_db_backing_store.h
index 8e5f7ac0de74b28a9c8233e6f638297da3c46907..b59eeffc9063a24a55ab6a5d4fa06d97b3d4a32d 100644
--- a/content/browser/indexed_db/indexed_db_backing_store.h
+++ b/content/browser/indexed_db/indexed_db_backing_store.h
@@ -26,6 +26,7 @@
 
 namespace content {
 
+class IndexedDBDatabaseError;
 class LevelDBComparator;
 class LevelDBDatabase;
 struct IndexedDBValue;
@@ -70,6 +71,7 @@ class CONTENT_EXPORT IndexedDBBackingStore
       const GURL& origin_url,
       LevelDBFactory* factory);
 
+  virtual void Compact();
   virtual std::vector<base::string16> GetDatabaseNames();
   virtual leveldb::Status GetIDBDatabaseMetaData(
       const base::string16& name,
@@ -86,6 +88,12 @@ class CONTENT_EXPORT IndexedDBBackingStore
       int64 int_version);
   virtual leveldb::Status DeleteDatabase(const base::string16& name);
 
+  // Assumes caller has already closed the backing store.
+  static leveldb::Status DestroyBackingStore(const base::FilePath& path_base,
+                                             const GURL& origin_url);
+  static bool RecordCorruptionInfo(const base::FilePath& path_base,
+                                   const GURL& origin_url,
+                                   const std::string& message);
   leveldb::Status GetObjectStores(
       int64 database_id,
       IndexedDBDatabaseMetadata::ObjectStoreMap* map) WARN_UNUSED_RESULT;
@@ -317,6 +325,9 @@ class CONTENT_EXPORT IndexedDBBackingStore
       const GURL& origin_url,
       scoped_ptr<LevelDBDatabase> db,
       scoped_ptr<LevelDBComparator> comparator);
+  static bool ReadCorruptionInfo(const base::FilePath& path_base,
+                                 const GURL& origin_url,
+                                 std::string& message);
 
   leveldb::Status FindKeyInIndex(
       IndexedDBBackingStore::Transaction* transaction,