1 files changed, 64 insertions, 0 deletions
diff --git a/chromium/third_party/WebKit/Source/web/DOMUtilitiesPrivate.cpp b/chromium/third_party/WebKit/Source/web/DOMUtilitiesPrivate.cpp
new file mode 100644
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+++ b/chromium/third_party/WebKit/Source/web/DOMUtilitiesPrivate.cpp
@@ -0,0 +1,64 @@
+/*
+ * Copyright (C) 2009 Google Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "config.h"
+#include "DOMUtilitiesPrivate.h"
+
+#include "HTMLNames.h"
+#include "core/dom/Element.h"
+#include "core/html/HTMLAreaElement.h"
+#include "core/html/HTMLInputElement.h"
+#include "core/html/HTMLTableElement.h"
+
+using namespace WebCore;
+using namespace WebCore::HTMLNames;
+
+namespace WebKit {
+
+bool elementHasLegalLinkAttribute(const Element* element, const QualifiedName& attrName)
+{
+    if (attrName == srcAttr)
+        return element->hasTagName(imgTag) || element->hasTagName(scriptTag) || element->hasTagName(iframeTag) || element->hasTagName(frameTag) || (element->hasTagName(inputTag) && toHTMLInputElement(element)->isImageButton());
+    if (attrName == hrefAttr)
+        return element->hasTagName(linkTag) || isHTMLAnchorElement(element) || isHTMLAreaElement(element);
+    if (attrName == actionAttr)
+        return element->hasTagName(formTag);
+    if (attrName == backgroundAttr)
+        return element->hasTagName(bodyTag) || isHTMLTableElement(element) || element->hasTagName(trTag) || element->hasTagName(tdTag);
+    if (attrName == citeAttr)
+        return element->hasTagName(blockquoteTag) || element->hasTagName(qTag) || element->hasTagName(delTag) || element->hasTagName(insTag);
+    if (attrName == classidAttr || attrName == dataAttr)
+        return element->hasTagName(objectTag);
+    if (attrName == codebaseAttr)
+        return element->hasTagName(objectTag) || element->hasTagName(appletTag);
+    return false;
+}
+
+} // namespace WebKit