IndexedDB: Remove unused plumbing for string version changes

content/common/indexed_db/indexed_db_dispatcher.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/common/indexed_db/indexed_db_dispatcher.h"
 
 #include "base/format_macros.h"
 #include "base/lazy_instance.h"
 #include "base/stringprintf.h"
 #include "base/threading/thread_local.h"
@@ skipping 141 matching lines @@
                         OnSuccessInteger)
     IPC_MESSAGE_HANDLER(IndexedDBMsg_CallbacksSuccessUndefined,
                         OnSuccessUndefined)
     IPC_MESSAGE_HANDLER(IndexedDBMsg_CallbacksError, OnError)
     IPC_MESSAGE_HANDLER(IndexedDBMsg_CallbacksIntBlocked, OnIntBlocked)
     IPC_MESSAGE_HANDLER(IndexedDBMsg_CallbacksUpgradeNeeded, OnUpgradeNeeded)
     IPC_MESSAGE_HANDLER(IndexedDBMsg_DatabaseCallbacksForcedClose,
                         OnForcedClose)
     IPC_MESSAGE_HANDLER(IndexedDBMsg_DatabaseCallbacksIntVersionChange,
                         OnIntVersionChange)
-    IPC_MESSAGE_HANDLER(IndexedDBMsg_DatabaseCallbacksVersionChange,
-                        OnVersionChange)
     IPC_MESSAGE_HANDLER(IndexedDBMsg_DatabaseCallbacksAbort, OnAbort)
     IPC_MESSAGE_HANDLER(IndexedDBMsg_DatabaseCallbacksComplete, OnComplete)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
   // If a message gets here, IndexedDBMessageFilter already determined that it
   // is an IndexedDB message.
   DCHECK(handled) << "Didn't handle a message defined at line "
                   << IPC_MESSAGE_ID_LINE(msg.type());
 }
 
@@ skipping 588 matching lines @@
   DCHECK_EQ(ipc_thread_id, CurrentWorkerId());
   WebIDBDatabaseCallbacks* callbacks =
       pending_database_callbacks_.Lookup(ipc_database_id);
   // callbacks would be NULL if a versionchange event is received after close
   // has been called.
   if (!callbacks)
     return;
   callbacks->onVersionChange(old_version, new_version);
 }
 
-void IndexedDBDispatcher::OnVersionChange(int32 ipc_thread_id,
-                                          int32 ipc_database_id,
-                                          const string16& newVersion) {
-  DCHECK_EQ(ipc_thread_id, CurrentWorkerId());
-  WebIDBDatabaseCallbacks* callbacks =
-      pending_database_callbacks_.Lookup(ipc_database_id);
-  // callbacks would be NULL if a versionchange event is received after close
-  // has been called.
-  if (!callbacks)
-    return;
-  callbacks->onVersionChange(newVersion);
-}
-
 void IndexedDBDispatcher::ResetCursorPrefetchCaches(
     int32 ipc_exception_cursor_id) {
   typedef std::map<int32, RendererWebIDBCursorImpl*>::iterator Iterator;
   for (Iterator i = cursors_.begin(); i != cursors_.end(); ++i) {
     if (i->first == ipc_exception_cursor_id)
       continue;
     i->second->ResetPrefetchCache();
   }
 }
 
 }  // namespace content