IDL compiler: addEventListener, removeEventListener methods

Source/bindings/scripts/code_generator_v8.pm

 # Copyright (C) 2005, 2006 Nikolas Zimmermann <zimmermann@kde.org>
 # Copyright (C) 2006 Anders Carlsson <andersca@mac.com>
 # Copyright (C) 2006 Samuel Weinig <sam.weinig@gmail.com>
 # Copyright (C) 2006 Alexey Proskuryakov <ap@webkit.org>
 # Copyright (C) 2006 Apple Computer, Inc.
 # Copyright (C) 2007, 2008, 2009, 2012 Google Inc.
 # Copyright (C) 2009 Cameron McCormack <cam@mcc.id.au>
 # Copyright (C) Research In Motion Limited 2010. All rights reserved.
 # Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
 # Copyright (C) 2012 Ericsson AB. All rights reserved.
@@ skipping 2290 matching lines @@
         AddToImplIncludes("bindings/v8/V8EventListenerList.h");
         AddToImplIncludes("core/frame/DOMWindow.h");
         $code .= <<END;
     EventTarget* impl = ${v8ClassName}::toNative(info.Holder());
     if (DOMWindow* window = impl->toDOMWindow()) {
         ExceptionState es(info.GetIsolate());
         if (!BindingSecurity::shouldAllowAccessToFrame(window->frame(), es)) {
             es.throwIfNeeded();
             return;
         }
-

[Nils Barth (inactive), 2013/11/13 06:16:00]

Blank lines causes problems in Python when we indent the code
(creates indented blank line), so remove.

         if (!window->document())
             return;
     }
-
     RefPtr<EventListener> listener = V8EventListenerList::getEventListener(info[1], false, ListenerFind${lookupType});
     if (listener) {
         V8TRYCATCH_FOR_V8STRINGRESOURCE_VOID(V8StringResource<WithNullCheck>, stringResource, info[0]);
         impl->${implName}(stringResource, listener${passRefPtrHandling}, info[2]->BooleanValue());
         if (!impl->toNode())
             ${hiddenDependencyAction}HiddenDependency(info.Holder(), info[1], ${v8ClassName}::eventListenerCacheIndex, info.GetIsolate());
     }
 }
 END
         $code .= "#endif // ${conditionalString}\n" if $conditionalString;
@@ skipping 3965 matching lines @@
 
     return 1 if $interface->extendedAttributes->{"CustomToV8"};
     return 1 if $interface->extendedAttributes->{"SpecialWrapFor"};
     return 1 if InheritsInterface($interface, "Document");
     return 1 if SVGTypeNeedsToHoldContextElement($interface->name);
 
     return 0;
 }
 
 1;