Also send the "reason" for rejectionhandled events

Source/bindings/core/v8/RejectedPromises.cpp

Index: Source/bindings/core/v8/RejectedPromises.cpp
diff --git a/Source/bindings/core/v8/RejectedPromises.cpp b/Source/bindings/core/v8/RejectedPromises.cpp
index da8c256eb49363300cfdb8cae1a1a1e825ff8882..3ed8d247ee5d1659fbe25554de1e4a079984cff1 100644
--- a/Source/bindings/core/v8/RejectedPromises.cpp
+++ b/Source/bindings/core/v8/RejectedPromises.cpp
@@ -94,7 +94,6 @@ public:
         }
 
         m_callStack.clear();
-        m_exception.clear();

[jochen (gone - plz use gerrit), 2015/06/29 07:17:48]

without removing this line, m_exception would not be available in line 116
(below)

     }
 
     void revoke()
@@ -115,7 +114,7 @@ public:
             init.setPromise(ScriptPromise(m_scriptState, value));
             init.setReason(m_exception);
             RefPtrWillBeRawPtr<PromiseRejectionEvent> event = PromiseRejectionEvent::create(m_scriptState, EventTypeNames::rejectionhandled, init);
-            m_shouldLogToConsole &= target->dispatchEvent(event);
+            target->dispatchEvent(event);
         }
 
         if (m_shouldLogToConsole) {