Reduce SuspendableObjects

third_party/WebKit/Source/modules/indexeddb/IDBTransaction.h

Index: third_party/WebKit/Source/modules/indexeddb/IDBTransaction.h
diff --git a/third_party/WebKit/Source/modules/indexeddb/IDBTransaction.h b/third_party/WebKit/Source/modules/indexeddb/IDBTransaction.h
index 94dd4a3bc683ef5ea316fbcf974f2d9a071ae9b9..1c3a1244c7598b8e3b14232d3829eaaaf0c2b707 100644
--- a/third_party/WebKit/Source/modules/indexeddb/IDBTransaction.h
+++ b/third_party/WebKit/Source/modules/indexeddb/IDBTransaction.h
@@ -27,8 +27,8 @@
 #define IDBTransaction_h
 
 #include "bindings/core/v8/ActiveScriptWrappable.h"
+#include "core/dom/ContextLifecycleObserver.h"
 #include "core/dom/DOMStringList.h"
-#include "core/dom/SuspendableObject.h"
 #include "core/events/EventListener.h"
 #include "modules/EventModules.h"
 #include "modules/EventTargetModules.h"
@@ -56,7 +56,7 @@ class ScriptState;
 class MODULES_EXPORT IDBTransaction final
     : public EventTargetWithInlineData,
       public ActiveScriptWrappable<IDBTransaction>,
-      public SuspendableObject {
+      public ContextLifecycleObserver {
   USING_GARBAGE_COLLECTED_MIXIN(IDBTransaction);
   DEFINE_WRAPPERTYPEINFO();