[IndexedDB] Add transaction coordinator.

chrome/browser/in_process_webkit/indexed_db_callbacks.h

 // Copyright (c) 2010 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 CHROME_BROWSER_IN_PROCESS_WEBKIT_INDEXED_DB_CALLBACKS_H_
 #define CHROME_BROWSER_IN_PROCESS_WEBKIT_INDEXED_DB_CALLBACKS_H_
 #pragma once
 
 #include "base/basictypes.h"
 #include "base/logging.h"
 #include "base/ref_counted.h"
 #include "chrome/browser/in_process_webkit/indexed_db_dispatcher_host.h"
 #include "chrome/common/indexed_db_key.h"
 #include "chrome/common/render_messages.h"
 #include "chrome/common/serialized_script_value.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebIDBCallbacks.h"
+#include "third_party/WebKit/WebKit/chromium/public/WebIDBTransactionCallbacks.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebIDBDatabaseError.h"
 
 // Template magic to figure out what message to send to the renderer based on
 // which (overloaded) onSuccess method we expect to be called.
 template <class Type> struct WebIDBToMsgHelper { };
 template <> struct WebIDBToMsgHelper<WebKit::WebIDBDatabase> {
   typedef ViewMsg_IDBCallbacksSuccessIDBDatabase MsgType;
 };
 template <> struct WebIDBToMsgHelper<WebKit::WebIDBIndex> {
   typedef ViewMsg_IDBCallbacksSuccessIDBIndex MsgType;
@@ skipping 98 matching lines @@
 
   virtual void onSuccess() {
     dispatcher_host()->Send(
         new ViewMsg_IDBCallbacksSuccessNull(response_id()));
   }
 
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(IndexedDBCallbacks);
 };
 
+class IndexedDBTransactionCallbacks
+    : public WebKit::WebIDBTransactionCallbacks {
+public:
+  IndexedDBTransactionCallbacks(
+      IndexedDBDispatcherHost* dispatcher_host, int transaction_id)
+      : dispatcher_host_(dispatcher_host), transaction_id_(transaction_id) {
+  }
+
+  virtual void onAbort() {
+    dispatcher_host_->Send(new ViewMsg_IDBTransactionCallbacksAbort(
+        transaction_id_));
+  }
+
+  virtual int id() const {
+    return transaction_id_;
+  }
+
+private:
+  int transaction_id_;
+  scoped_refptr<IndexedDBDispatcherHost> dispatcher_host_;
+};
+
 #endif  // CHROME_BROWSER_IN_PROCESS_WEBKIT_INDEXED_DB_CALLBACKS_H_