Translate viewport related meta tags into @viewport descriptors as suggested by the CSS Device Adap…

Source/core/html/HTMLMetaElement.cpp

Index: Source/core/html/HTMLMetaElement.cpp
diff --git a/Source/core/html/HTMLMetaElement.cpp b/Source/core/html/HTMLMetaElement.cpp
deleted file mode 100644
index a93e2cef7b94cb7683dfc1a2f96fb13dd0959faa..0000000000000000000000000000000000000000
--- a/Source/core/html/HTMLMetaElement.cpp
+++ /dev/null
@@ -1,110 +0,0 @@
-/*
- * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
- *           (C) 1999 Antti Koivisto (koivisto@kde.org)
- *           (C) 2001 Dirk Mueller (mueller@kde.org)
- * Copyright (C) 2003, 2010 Apple 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.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public License
- * along with this library; see the file COPYING.LIB.  If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
- * Boston, MA 02110-1301, USA.
- */
-
-#include "config.h"
-#include "core/html/HTMLMetaElement.h"
-
-#include "HTMLNames.h"
-#include "core/dom/Document.h"
-
-namespace WebCore {
-
-using namespace HTMLNames;
-
-inline HTMLMetaElement::HTMLMetaElement(const QualifiedName& tagName, Document* document)
-    : HTMLElement(tagName, document)
-{
-    ASSERT(hasTagName(metaTag));
-    ScriptWrappable::init(this);
-}
-
-PassRefPtr<HTMLMetaElement> HTMLMetaElement::create(Document* document)
-{
-    return adoptRef(new HTMLMetaElement(metaTag, document));
-}
-
-PassRefPtr<HTMLMetaElement> HTMLMetaElement::create(const QualifiedName& tagName, Document* document)
-{
-    return adoptRef(new HTMLMetaElement(tagName, document));
-}
-
-void HTMLMetaElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
-{
-    if (name == http_equivAttr)
-        process();
-    else if (name == contentAttr)
-        process();
-    else if (name == nameAttr) {
-        // Do nothing
-    } else
-        HTMLElement::parseAttribute(name, value);
-}
-
-Node::InsertionNotificationRequest HTMLMetaElement::insertedInto(ContainerNode* insertionPoint)
-{
-    HTMLElement::insertedInto(insertionPoint);
-    if (insertionPoint->inDocument())
-        process();
-    return InsertionDone;
-}
-
-void HTMLMetaElement::process()
-{
-    if (!inDocument())
-        return;
-
-    const AtomicString& contentValue = fastGetAttribute(contentAttr);
-    if (contentValue.isNull())
-        return;
-
-    if (equalIgnoringCase(name(), "viewport"))
-        document()->processViewport(contentValue, ViewportArguments::ViewportMeta);
-    else if (equalIgnoringCase(name(), "referrer"))
-        document()->processReferrerPolicy(contentValue);
-    else if (equalIgnoringCase(name(), "handheldfriendly") && equalIgnoringCase(contentValue, "true"))
-        document()->processViewport("width=device-width", ViewportArguments::HandheldFriendlyMeta);
-    else if (equalIgnoringCase(name(), "mobileoptimized"))
-        document()->processViewport("width=device-width, initial-scale=1", ViewportArguments::MobileOptimizedMeta);
-
-    // Get the document to process the tag, but only if we're actually part of DOM tree (changing a meta tag while
-    // it's not in the tree shouldn't have any effect on the document)
-    const AtomicString& httpEquivValue = fastGetAttribute(http_equivAttr);
-    if (!httpEquivValue.isNull())
-        document()->processHttpEquiv(httpEquivValue, contentValue);
-}
-
-String HTMLMetaElement::content() const
-{
-    return getAttribute(contentAttr);
-}
-
-String HTMLMetaElement::httpEquiv() const
-{
-    return getAttribute(http_equivAttr);
-}
-
-String HTMLMetaElement::name() const
-{
-    return getNameAttribute();
-}
-
-}