Rework dispatchEvent so it is consistent for isTrusted support.

Source/modules/indexeddb/IDBOpenDBRequest.cpp

Index: Source/modules/indexeddb/IDBOpenDBRequest.cpp
diff --git a/Source/modules/indexeddb/IDBOpenDBRequest.cpp b/Source/modules/indexeddb/IDBOpenDBRequest.cpp
index 4e140cb2071d2973c4db27e06c67a28152bd5e5a..00ce6db5e987cfd6a227c63c2389b6418de6d3d7 100644
--- a/Source/modules/indexeddb/IDBOpenDBRequest.cpp
+++ b/Source/modules/indexeddb/IDBOpenDBRequest.cpp
@@ -162,7 +162,7 @@ bool IDBOpenDBRequest::shouldEnqueueEvent() const
     return true;
 }
 
-bool IDBOpenDBRequest::dispatchEvent(PassRefPtrWillBeRawPtr<Event> event)
+bool IDBOpenDBRequest::dispatchEventInternal(PassRefPtrWillBeRawPtr<Event> event)
 {
     // If the connection closed between onUpgradeNeeded and the delivery of the "success" event,
     // an "error" event should be fired instead.
@@ -173,7 +173,7 @@ bool IDBOpenDBRequest::dispatchEvent(PassRefPtrWillBeRawPtr<Event> event)
         return false;
     }
 
-    return IDBRequest::dispatchEvent(event);
+    return IDBRequest::dispatchEventInternal(event);
 }
 
 } // namespace blink