Add 'error' parameter to 'window.onerror' handlers.

Source/core/dom/ErrorEvent.cpp

Index: Source/core/dom/ErrorEvent.cpp
diff --git a/Source/core/dom/ErrorEvent.cpp b/Source/core/dom/ErrorEvent.cpp
index db11e534da322ceb9441137f84bf18ebca988f0f..ae718f21a0566cce1f30cd59c4d6047e5f5ac0f6 100644
--- a/Source/core/dom/ErrorEvent.cpp
+++ b/Source/core/dom/ErrorEvent.cpp
@@ -31,6 +31,7 @@
 #include "config.h"
 #include "core/dom/ErrorEvent.h"
 
+#include "bindings/v8/ScriptValue.h"
 #include "core/dom/EventNames.h"
 
 namespace WebCore {
@@ -53,16 +54,18 @@ ErrorEvent::ErrorEvent(const AtomicString& type, const ErrorEventInit& initializ
     , m_fileName(initializer.filename)
     , m_lineNumber(initializer.lineno)
     , m_columnNumber(initializer.column)
+    , m_error(initializer.error)
 {
     ScriptWrappable::init(this);
 }
 
-ErrorEvent::ErrorEvent(const String& message, const String& fileName, unsigned lineNumber, unsigned columnNumber)
+ErrorEvent::ErrorEvent(const String& message, const String& fileName, unsigned lineNumber, unsigned columnNumber, const ScriptValue& error)
     : Event(eventNames().errorEvent, false, true)
     , m_message(message)
     , m_fileName(fileName)
     , m_lineNumber(lineNumber)
     , m_columnNumber(columnNumber)
+    , m_error(error)
 {
     ScriptWrappable::init(this);
 }
@@ -76,4 +79,10 @@ const AtomicString& ErrorEvent::interfaceName() const
     return eventNames().interfaceForErrorEvent;
 }
 
+void ErrorEvent::setSerializedError(PassRefPtr<SerializedScriptValue> error)
+{
+    ASSERT(!m_serializedError);
+    m_serializedError = error;
+}
+
 } // namespace WebCore