Remove many attributes.

sky/engine/core/html/HTMLImageElement.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2010 Google Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
@@ skipping 57 matching lines @@
         MediaQueryListListener::trace(visitor);
     }
 private:
     explicit ViewportChangeListener(HTMLImageElement* element) : m_element(element) { }
     RawPtr<HTMLImageElement> m_element;
 };
 
 HTMLImageElement::HTMLImageElement(Document& document, bool createdByParser)
     : HTMLElement(HTMLNames::imgTag, document)
     , m_imageLoader(HTMLImageLoader::create(this))
-    , m_compositeOperator(CompositeSourceOver)
     , m_imageDevicePixelRatio(1.0f)
     , m_elementCreatedByParser(createdByParser)
     , m_intrinsicSizingViewportDependant(false)
     , m_effectiveSizeViewportDependant(false)
 {
     ScriptWrappable::init(this);
 }
 
 PassRefPtr<HTMLImageElement> HTMLImageElement::create(Document& document)
 {
@@ skipping 62 matching lines @@
         toRenderImage(renderer())->setImageDevicePixelRatio(m_imageDevicePixelRatio);
 }
 
 void HTMLImageElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
 {
     if (name == HTMLNames::altAttr) {
         if (renderer() && renderer()->isImage())
             toRenderImage(renderer())->updateAltText();
     } else if (name == HTMLNames::srcAttr || name == HTMLNames::srcsetAttr || name == HTMLNames::sizesAttr) {
         selectSourceURL(ImageLoader::UpdateIgnorePreviousError);
-    } else if (name == HTMLNames::usemapAttr) {
-        setIsLink(!value.isNull());
-    } else if (name == HTMLNames::compositeAttr) {
-        blink::WebBlendMode blendOp = blink::WebBlendModeNormal;
-        if (!parseCompositeAndBlendOperator(value, m_compositeOperator, blendOp))
-            m_compositeOperator = CompositeSourceOver;
-        else if (m_compositeOperator != CompositeSourceOver)
-            UseCounter::count(document(), UseCounter::HTMLImageElementComposite);
     } else {
         HTMLElement::parseAttribute(name, value);
     }
 }
 
 const AtomicString& HTMLImageElement::altText() const
 {
     // lets figure out the alt text.. magic stuff
     // http://www.w3.org/TR/1998/REC-html40-19980424/appendix/notes.html#altgen
     // also heavily discussed by Hixie on bugzilla
@@ skipping 130 matching lines @@
     // We use the image's dimensions as a proxy to it being in any of these states.
     if (!imageLoader().image() || !imageLoader().image()->image() || !imageLoader().image()->image()->width())
         return emptyAtom;
 
     return imageLoader().image()->url().string();
 }
 
 bool HTMLImageElement::isURLAttribute(const Attribute& attribute) const
 {
     return attribute.name() == HTMLNames::srcAttr
-        || attribute.name() == HTMLNames::lowsrcAttr
-        || attribute.name() == HTMLNames::longdescAttr
-        || (attribute.name() == HTMLNames::usemapAttr && attribute.value().string()[0] != '#')
         || HTMLElement::isURLAttribute(attribute);
 }
 
 void HTMLImageElement::setHeight(int value)
 {
     setIntegralAttribute(HTMLNames::heightAttr, value);
 }
 
 KURL HTMLImageElement::src() const
 {
@@ skipping 38 matching lines @@
 {
     return imageLoader().imageComplete();
 }
 
 void HTMLImageElement::didMoveToNewDocument(Document& oldDocument)
 {
     imageLoader().elementDidMoveToNewDocument();
     HTMLElement::didMoveToNewDocument(oldDocument);
 }
 
-bool HTMLImageElement::isServerMap() const
-{
-    if (!hasAttribute(HTMLNames::ismapAttr))
-        return false;
-
-    const AtomicString& usemap = getAttribute(HTMLNames::usemapAttr);
-
-    // If the usemap attribute starts with '#', it refers to a map element in the document.
-    if (usemap.string()[0] == '#')
-        return false;
-
-    return document().completeURL(stripLeadingAndTrailingHTMLSpaces(usemap)).isEmpty();
-}
-
 Image* HTMLImageElement::imageContents()
 {
     if (!imageLoader().imageComplete())
         return 0;
 
     return imageLoader().image()->image();
 }
 
 PassRefPtr<Image> HTMLImageElement::getSourceImageForCanvas(SourceImageMode, SourceImageStatus* status) const
 {
@@ skipping 61 matching lines @@
     }
     imageLoader().updateFromElement(behavior);
 }
 
 const KURL& HTMLImageElement::sourceURL() const
 {
     return cachedImage()->response().url();
 }
 
 }