Remove meta viewport and @viewport CSS rules.

sky/engine/core/html/HTMLMetaElement.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@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.
  *
  */
 
 #ifndef HTMLMetaElement_h
 #define HTMLMetaElement_h
 
-#include "core/dom/ViewportDescription.h"
 #include "core/html/HTMLElement.h"
 
 namespace blink {
 
-enum ViewportErrorCode {
-    UnrecognizedViewportArgumentKeyError,
-    UnrecognizedViewportArgumentValueError,
-    TruncatedViewportArgumentValueError,
-    MaximumScaleTooLargeError,
-    TargetDensityDpiUnsupported
-};
-
 class HTMLMetaElement final : public HTMLElement {

[abarth-chromium, 2014/10/26 02:08:46]

We can delete the whole HTMLMetaElement.

     DEFINE_WRAPPERTYPEINFO();
 public:
     DECLARE_NODE_FACTORY(HTMLMetaElement);
 
     const AtomicString& content() const;
     const AtomicString& httpEquiv() const;
     const AtomicString& name() const;
 
 private:
     explicit HTMLMetaElement(Document&);
 
-    typedef void (HTMLMetaElement::*KeyValuePairCallback)(const String& key, const String& value, void* data);
-    void processViewportKeyValuePair(const String& key, const String& value, void* data);
-    void parseContentAttribute(const String& content, KeyValuePairCallback, void* data);
-
     virtual void parseAttribute(const QualifiedName&, const AtomicString&) override;
     virtual InsertionNotificationRequest insertedInto(ContainerNode*) override;
     virtual void didNotifySubtreeInsertionsToDocument() override;
 
-    float parsePositiveNumber(const String& key, const String& value, bool* ok = 0);
-
-    Length parseViewportValueAsLength(const String& key, const String& value);
-    float parseViewportValueAsZoom(const String& key, const String& value, bool& computedValueMatchesParsedValue);
-    bool parseViewportValueAsUserZoom(const String& key, const String& value, bool& computedValueMatchesParsedValue);
-    float parseViewportValueAsDPI(const String& key, const String& value);
-
-    void reportViewportWarning(ViewportErrorCode, const String& replacement1, const String& replacement2);
-
     void process();
-    void processViewportContentAttribute(const String& content, ViewportDescription::Type origin);
 };
 
 } // namespace blink
 
 #endif // HTMLMetaElement_h