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

content/browser/indexed_db/indexed_db_factory.h

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_FACTORY_H_
 #define CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_FACTORY_H_
 
 #include <map>
 #include <set>
 
@@ skipping 16 matching lines @@
     : NON_EXPORTED_BASE(public base::RefCounted<IndexedDBFactory>) {
  public:
   static scoped_refptr<IndexedDBFactory> Create() {
     return make_scoped_refptr(new IndexedDBFactory());
   }
 
   // Notifications from weak pointers.
   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:
   friend class base::RefCounted<IndexedDBFactory>;
 
   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);
 
  private:
   typedef std::map<string16, scoped_refptr<IndexedDBDatabase> >
       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_;
 
   std::set<scoped_refptr<IndexedDBBackingStore> > session_only_backing_stores_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_FACTORY_H_