This adds some plumbing for propagating the reason for a renderer's death

chrome/browser/in_process_webkit/indexed_db_key_utility_client.cc

 // Copyright (c) 2009 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 "chrome/browser/in_process_webkit/indexed_db_key_utility_client.h"
 
 #include "chrome/browser/browser_process.h"
 #include "chrome/common/indexed_db_key.h"
 #include "chrome/common/notification_service.h"
 #include "chrome/common/serialized_script_value.h"
@@ skipping 130 matching lines @@
 void IndexedDBKeyUtilityClient::FinishCreatingKeys() {
   DCHECK(state_ == STATE_CREATING_KEYS);
   state_ = STATE_INITIALIZED;
   waitable_event_.Signal();
 }
 
 IndexedDBKeyUtilityClient::Client::Client(IndexedDBKeyUtilityClient* parent)
     : parent_(parent) {
 }
 
-void IndexedDBKeyUtilityClient::Client::OnProcessCrashed() {
+void IndexedDBKeyUtilityClient::Client::OnProcessCrashed(int exit_code) {
   if (parent_->state_ == STATE_CREATING_KEYS)
     parent_->FinishCreatingKeys();
 }
 
 void IndexedDBKeyUtilityClient::Client::OnIDBKeysFromValuesAndKeyPathSucceeded(
     int id, const std::vector<IndexedDBKey>& keys) {
   parent_->SetKeys(keys);
   parent_->FinishCreatingKeys();
 }
 
 void IndexedDBKeyUtilityClient::Client::OnIDBKeysFromValuesAndKeyPathFailed(
     int id) {
   parent_->FinishCreatingKeys();
 }