Tell IDB frontend about data loss

content/browser/in_process_webkit/indexed_db_callbacks.h

 // Copyright (c) 2012 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_IN_PROCESS_WEBKIT_INDEXED_DB_CALLBACKS_H_
 #define CONTENT_BROWSER_IN_PROCESS_WEBKIT_INDEXED_DB_CALLBACKS_H_
 
 #include "base/basictypes.h"
 #include "base/memory/ref_counted.h"
 #include "content/browser/in_process_webkit/indexed_db_dispatcher_host.h"
@@ skipping 13 matching lines @@
 
   virtual void onError(const WebKit::WebIDBDatabaseError& error);
   virtual void onBlocked(long long old_version);
 
   // implemented by subclasses, but need to be called later
   virtual void onSuccess(const std::vector<string16>& value);
   virtual void onSuccess(WebIDBDatabaseImpl* idb_object,
                          const IndexedDBDatabaseMetadata& metadata);
   virtual void onUpgradeNeeded(long long old_version,
                                WebIDBDatabaseImpl* database,
-                               const IndexedDBDatabaseMetadata&);
+                               const IndexedDBDatabaseMetadata&,
+                               bool data_loss);
   virtual void onSuccess(WebIDBCursorImpl* idb_object,
                          const IndexedDBKey& key,
                          const IndexedDBKey& primaryKey,
                          std::vector<char>* value);
   virtual void onSuccess(const IndexedDBKey& key,
                          const IndexedDBKey& primaryKey,
                          std::vector<char>* value);
   virtual void onSuccess(std::vector<char>* value);
   virtual void onSuccessWithPrefetch(
       const std::vector<IndexedDBKey>& keys,
@@ skipping 37 matching lines @@
                              int32 ipc_thread_id,
                              int32 ipc_callbacks_id,
                              int32 ipc_database_callbacks_id,
                              int64 host_transaction_id,
                              const GURL& origin_url);
 
   virtual void onSuccess(WebIDBDatabaseImpl* idb_object,
                          const IndexedDBDatabaseMetadata& metadata) OVERRIDE;
   virtual void onUpgradeNeeded(long long old_version,
                                WebIDBDatabaseImpl* database,
-                               const IndexedDBDatabaseMetadata&) OVERRIDE;
+                               const IndexedDBDatabaseMetadata&,
+                               bool data_loss) OVERRIDE;
 
  private:
   int64 host_transaction_id_;
   GURL origin_url_;
   int32 ipc_database_id_;
   int32 ipc_database_callbacks_id_;
   DISALLOW_IMPLICIT_CONSTRUCTORS(IndexedDBCallbacksDatabase);
 };
 
 // WebIDBCursorImpl uses:
@@ skipping 94 matching lines @@
   virtual void onSuccess();
   virtual void onSuccess(const IndexedDBKey& value);
 
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(IndexedDBCallbacks);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_IN_PROCESS_WEBKIT_INDEXED_DB_CALLBACKS_H_