IndexedDB: Remove unused plumbing for string version changes

content/browser/in_process_webkit/indexed_db_database_callbacks.cc

 // 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.
 
 #include "content/browser/in_process_webkit/indexed_db_database_callbacks.h"
 
 #include "content/browser/in_process_webkit/indexed_db_dispatcher_host.h"
 #include "content/common/indexed_db/indexed_db_messages.h"
 
 namespace content {
@@ skipping 18 matching lines @@
 
 void IndexedDBDatabaseCallbacks::onVersionChange(long long old_version,
                                                  long long new_version) {
   dispatcher_host_->Send(
       new IndexedDBMsg_DatabaseCallbacksIntVersionChange(ipc_thread_id_,
                                                          ipc_database_id_,
                                                          old_version,
                                                          new_version));
 }
 
-void IndexedDBDatabaseCallbacks::onVersionChange(
-    const WebKit::WebString& requested_version) {
-  dispatcher_host_->Send(
-      new IndexedDBMsg_DatabaseCallbacksVersionChange(ipc_thread_id_,
-                                                      ipc_database_id_,
-                                                      requested_version));
-}
-
 void IndexedDBDatabaseCallbacks::onAbort(
     long long host_transaction_id,
     const WebKit::WebIDBDatabaseError& error) {
     dispatcher_host_->FinishTransaction(host_transaction_id, false);
     dispatcher_host_->Send(
         new IndexedDBMsg_DatabaseCallbacksAbort(
             ipc_thread_id_, ipc_database_id_,
             dispatcher_host_->RendererTransactionId(host_transaction_id),
             error.code(), error.message()));
 }
 
 void IndexedDBDatabaseCallbacks::onComplete(long long host_transaction_id) {
     dispatcher_host_->FinishTransaction(host_transaction_id, true);
     dispatcher_host_->Send(
         new IndexedDBMsg_DatabaseCallbacksComplete(
             ipc_thread_id_, ipc_database_id_,
             dispatcher_host_->RendererTransactionId(host_transaction_id)));
 }
 
 }  // namespace content