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, 7 insertions, 0 deletions

diff --git a/chrome/renderer/indexed_db_dispatcher.h b/chrome/renderer/indexed_db_dispatcher.h
index 5c04180..c2602e0 100644
--- a/chrome/renderer/indexed_db_dispatcher.h
+++ b/chrome/renderer/indexed_db_dispatcher.h
@@ -11,6 +11,7 @@
 #include "ipc/ipc_message.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebIDBCallbacks.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebIDBDatabase.h"
+#include "third_party/WebKit/WebKit/chromium/public/WebIDBTransactionCallbacks.h"
 
 class IndexedDBKey;
 class SerializedScriptValue;
@@ -69,6 +70,9 @@ class IndexedDBDispatcher {
       const WebKit::WebIDBKeyRange& idb_key_range, unsigned short direction,
       WebKit::WebIDBCallbacks* callbacks, int32 idb_object_store_id);
 
+  void RequestIDBTransactionSetCallbacks(
+      WebKit::WebIDBTransactionCallbacks* callbacks);
+
  private:
   // IDBCallback message handlers.
   void OnSuccessNull(int32 response_id);
@@ -80,10 +84,13 @@ class IndexedDBDispatcher {
   void OnSuccessSerializedScriptValue(int32 response_id,
                                       const SerializedScriptValue& value);
   void OnError(int32 response_id, int code, const string16& message);
+  void OnAbort(int transaction_id);
 
   // Careful! WebIDBCallbacks wraps non-threadsafe data types. It must be
   // destroyed and used on the same thread it was created on.
   IDMap<WebKit::WebIDBCallbacks, IDMapOwnPointer> pending_callbacks_;
+  IDMap<WebKit::WebIDBTransactionCallbacks, IDMapOwnPointer>
+      pending_transaction_callbacks_;
 
   DISALLOW_COPY_AND_ASSIGN(IndexedDBDispatcher);
 };