Switch database/file_identifier to std::string, remove createFromDatabaseIdentifier calls

content/browser/indexed_db/indexed_db_factory.h

Index: content/browser/indexed_db/indexed_db_factory.h
diff --git a/content/browser/indexed_db/indexed_db_factory.h b/content/browser/indexed_db/indexed_db_factory.h
index 1b76d7946ccf064ce8c38f12a1b90ca03b180ae7..2f4df951b3739b820ef8f9fab06e1273d5759f6e 100644
--- a/content/browser/indexed_db/indexed_db_factory.h
+++ b/content/browser/indexed_db/indexed_db_factory.h
@@ -34,19 +34,19 @@ class CONTENT_EXPORT IndexedDBFactory
   void RemoveIDBDatabaseBackend(const string16& unique_identifier);
 
   void GetDatabaseNames(scoped_refptr<IndexedDBCallbacks> callbacks,
-                        const string16& database_identifier,
+                        const std::string& origin_identifier,
                         const base::FilePath& data_directory);
   void Open(const string16& name,
             int64 version,
             int64 transaction_id,
             scoped_refptr<IndexedDBCallbacks> callbacks,
             scoped_refptr<IndexedDBDatabaseCallbacks> database_callbacks,
-            const string16& database_identifier,
+            const std::string& origin_identifier,
             const base::FilePath& data_directory);
 
   void DeleteDatabase(const string16& name,
                       scoped_refptr<IndexedDBCallbacks> callbacks,
-                      const string16& database_identifier,
+                      const std::string& origin_identifier,
                       const base::FilePath& data_directory);
 
  protected:
@@ -56,7 +56,7 @@ class CONTENT_EXPORT IndexedDBFactory
   virtual ~IndexedDBFactory();
 
   scoped_refptr<IndexedDBBackingStore> OpenBackingStore(
-      const string16& database_identifier,
+      const std::string& origin_identifier,
       const base::FilePath& data_directory,
       WebKit::WebIDBCallbacks::DataLoss* data_loss);
 
@@ -65,7 +65,7 @@ class CONTENT_EXPORT IndexedDBFactory
       IndexedDBDatabaseMap;
   IndexedDBDatabaseMap database_backend_map_;
 
-  typedef std::map<string16, base::WeakPtr<IndexedDBBackingStore> >
+  typedef std::map<std::string, base::WeakPtr<IndexedDBBackingStore> >
       IndexedDBBackingStoreMap;
   IndexedDBBackingStoreMap backing_store_map_;