Make IndexedDBConnection IDs independent from the IPC database ID.

content/browser/indexed_db/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/indexed_db/indexed_db_database_callbacks.h"
 
 #include "content/browser/indexed_db/indexed_db_context_impl.h"
 #include "content/browser/indexed_db/indexed_db_database_error.h"
 #include "content/browser/indexed_db/indexed_db_dispatcher_host.h"
 #include "content/browser/indexed_db/indexed_db_observer_changes.h"
@@ skipping 82 matching lines @@
   dispatcher_host_->FinishTransaction(host_transaction_id, true);
   DCHECK(io_helper_);
   BrowserThread::PostTask(
       BrowserThread::IO, FROM_HERE,
       base::Bind(&IOThreadHelper::SendComplete,
                  base::Unretained(io_helper_.get()),
                  dispatcher_host_->RendererTransactionId(host_transaction_id)));
 }
 
 void IndexedDBDatabaseCallbacks::OnDatabaseChange(
-    int32_t ipc_database_id,
     std::unique_ptr<IndexedDBObserverChanges> changes) {
   DCHECK(thread_checker_.CalledOnValidThread());
   DCHECK(io_helper_);
   dispatcher_host_->Send(new IndexedDBMsg_DatabaseCallbacksChanges(
-      ipc_thread_id_, ipc_database_id,
+      ipc_thread_id_,
       IndexedDBDispatcherHost::ConvertObserverChanges(std::move(changes))));
 }
 
 IndexedDBDatabaseCallbacks::IOThreadHelper::IOThreadHelper(
     DatabaseCallbacksAssociatedPtrInfo callbacks_info) {
   callbacks_.Bind(std::move(callbacks_info));
 }
 
 IndexedDBDatabaseCallbacks::IOThreadHelper::~IOThreadHelper() {}
 
@@ skipping 12 matching lines @@
     const IndexedDBDatabaseError& error) {
   callbacks_->Abort(transaction_id, error.code(), error.message());
 }
 
 void IndexedDBDatabaseCallbacks::IOThreadHelper::SendComplete(
     int64_t transaction_id) {
   callbacks_->Complete(transaction_id);
 }
 
 }  // namespace content