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

Source/bindings/v8/V8Initializer.cpp

Index: Source/bindings/v8/V8Initializer.cpp
diff --git a/Source/bindings/v8/V8Initializer.cpp b/Source/bindings/v8/V8Initializer.cpp
index d521b34126f8e733ce1ee598f5ea7df1b29e7677..305676fd5fabc6f72987ad974a304564821fd8e6 100644
--- a/Source/bindings/v8/V8Initializer.cpp
+++ b/Source/bindings/v8/V8Initializer.cpp
@@ -29,10 +29,12 @@
 #include "V8History.h"
 #include "V8Location.h"
 #include "V8Window.h"
+#include "bindings/v8/DOMWrapperWorld.h"
 #include "bindings/v8/ScriptCallStackFactory.h"
 #include "bindings/v8/ScriptProfiler.h"
 #include "bindings/v8/V8Binding.h"
 #include "bindings/v8/V8GCController.h"
+#include "bindings/v8/V8HiddenPropertyName.h"
 #include "bindings/v8/V8PerContextData.h"
 #include "core/dom/Document.h"
 #include "core/dom/ExceptionCode.h"
@@ -94,7 +96,8 @@ static void messageHandlerInMainThread(v8::Handle<v8::Message> message, v8::Hand
     v8::Handle<v8::Value> resourceName = message->GetScriptResourceName();
     bool shouldUseDocumentURL = resourceName.IsEmpty() || !resourceName->IsString();
     String resource = shouldUseDocumentURL ? firstWindow->document()->url() : toWebCoreString(resourceName);
-    firstWindow->document()->reportException(errorMessage, message->GetLineNumber(), message->GetStartColumn(), resource, callStack);
+    data->ToObject()->SetHiddenValue(V8HiddenPropertyName::worldId(), v8::Integer::New(DOMWrapperWorld::current()->worldId()));
+    firstWindow->document()->reportException(errorMessage, message->GetLineNumber(), message->GetStartColumn(), resource, callStack, ScriptValue(data));
 }
 
 static void failedAccessCheckCallbackInMainThread(v8::Local<v8::Object> host, v8::AccessType type, v8::Local<v8::Value> data)