Add transaction coordinator. Allow idle transactions to be aborted when their parent JS context finishes executing.

This change depends on the following WebKit bug:

https://bugs.webkit.org/show_bug.cgi?id=44101

Review URL: http://codereview.chromium.org/3165026

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@56862 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 60 insertions, 0 deletions

diff --git a/chrome/renderer/renderer_webidbtransaction_impl.cc b/chrome/renderer/renderer_webidbtransaction_impl.cc
new file mode 100644
index 0000000..c998245
--- /dev/null
+++ b/chrome/renderer/renderer_webidbtransaction_impl.cc
@@ -0,0 +1,60 @@
+// 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.
+
+#include "chrome/renderer/renderer_WebIDBTransaction_impl.h"
+
+#include "chrome/common/render_messages.h"
+#include "chrome/renderer/render_thread.h"
+#include "chrome/renderer/indexed_db_dispatcher.h"
+#include "third_party/WebKit/WebKit/chromium/public/WebIDBObjectStore.h"
+#include "third_party/WebKit/WebKit/chromium/public/WebIDBTransactionCallbacks.h"
+#include "third_party/WebKit/WebKit/chromium/public/WebString.h"
+
+using WebKit::WebIDBObjectStore;
+using WebKit::WebIDBTransactionCallbacks;
+using WebKit::WebString;
+
+RendererWebIDBTransactionImpl::RendererWebIDBTransactionImpl(
+    int32 idb_transaction_id)
+    : idb_transaction_id_(idb_transaction_id) {
+}
+
+RendererWebIDBTransactionImpl::~RendererWebIDBTransactionImpl() {
+  RenderThread::current()->Send(new ViewHostMsg_IDBTransactionDestroyed(
+      idb_transaction_id_));
+}
+
+int RendererWebIDBTransactionImpl::mode() const
+{
+  // TODO: implement
+  DCHECK(false);
+  return 0;
+}
+
+WebIDBObjectStore* RendererWebIDBTransactionImpl::objectStore(
+    const WebString& name)
+{
+  // TODO: implement
+  DCHECK(false);
+  return 0;
+}
+
+void RendererWebIDBTransactionImpl::abort()
+{
+  // TODO: implement
+  DCHECK(false);
+}
+
+int RendererWebIDBTransactionImpl::id() const
+{
+  return idb_transaction_id_;
+}
+
+void RendererWebIDBTransactionImpl::setCallbacks(
+    WebIDBTransactionCallbacks* callbacks)
+{
+  IndexedDBDispatcher* dispatcher =
+      RenderThread::current()->indexed_db_dispatcher();
+  dispatcher->RequestIDBTransactionSetCallbacks(callbacks);
+}