Remove meta viewport and @viewport CSS rules.

sky/engine/core/dom/ViewportDescription.h

Index: sky/engine/core/dom/ViewportDescription.h
diff --git a/sky/engine/core/dom/ViewportDescription.h b/sky/engine/core/dom/ViewportDescription.h
deleted file mode 100644
index 9a8382477b48bfdc5a18258671f5c0217bea7331..0000000000000000000000000000000000000000
--- a/sky/engine/core/dom/ViewportDescription.h
+++ /dev/null
@@ -1,135 +0,0 @@
-/*
- * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
- *           (C) 1999 Antti Koivisto (koivisto@kde.org)
- *           (C) 2001 Dirk Mueller (mueller@kde.org)
- *           (C) 2006 Alexey Proskuryakov (ap@webkit.org)
- * Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
- * Copyright (C) 2008 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
- * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
- * Copyright (C) 2012-2013 Intel Corporation. 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 ViewportDescription_h
-#define ViewportDescription_h
-
-#include "platform/Length.h"
-#include "platform/geometry/FloatSize.h"
-
-namespace blink {
-
-class LocalFrame;
-
-struct ViewportDescription {
-
-    enum Type {
-        // These are ordered in increasing importance.
-        UserAgentStyleSheet,
-        HandheldFriendlyMeta,
-        MobileOptimizedMeta,
-        ViewportMeta,
-        AuthorStyleSheet
-    } type;
-
-    enum {
-        ValueAuto = -1,
-        ValueDeviceWidth = -2,
-        ValueDeviceHeight = -3,
-        ValuePortrait = -4,
-        ValueLandscape = -5,
-        ValueDeviceDPI = -6,
-        ValueLowDPI = -7,
-        ValueMediumDPI = -8,
-        ValueHighDPI = -9,
-        ValueExtendToZoom = -10
-    };
-
-    ViewportDescription(Type type = UserAgentStyleSheet)
-        : type(type)
-        , zoom(ValueAuto)
-        , minZoom(ValueAuto)
-        , maxZoom(ValueAuto)
-        , userZoom(true)
-        , orientation(ValueAuto)
-        , deprecatedTargetDensityDPI(ValueAuto)
-        , zoomIsExplicit(false)
-        , minZoomIsExplicit(false)
-        , maxZoomIsExplicit(false)
-        , userZoomIsExplicit(false)
-    {
-    }
-
-    Length minWidth;
-    Length maxWidth;
-    Length minHeight;
-    Length maxHeight;
-    float zoom;
-    float minZoom;
-    float maxZoom;
-    bool userZoom;
-    float orientation;
-    float deprecatedTargetDensityDPI; // Only used for Android WebView
-
-    // Whether the computed value was explicitly specified rather than being
-    // inferred.
-    bool zoomIsExplicit;
-    bool minZoomIsExplicit;
-    bool maxZoomIsExplicit;
-    bool userZoomIsExplicit;
-
-    bool operator==(const ViewportDescription& other) const
-    {
-        // Used for figuring out whether to reset the viewport or not,
-        // thus we are not taking type into account.
-        return minWidth == other.minWidth
-            && maxWidth == other.maxWidth
-            && minHeight == other.minHeight
-            && maxHeight == other.maxHeight
-            && zoom == other.zoom
-            && minZoom == other.minZoom
-            && maxZoom == other.maxZoom
-            && userZoom == other.userZoom
-            && orientation == other.orientation
-            && deprecatedTargetDensityDPI == other.deprecatedTargetDensityDPI
-            && zoomIsExplicit == other.zoomIsExplicit
-            && minZoomIsExplicit == other.minZoomIsExplicit
-            && maxZoomIsExplicit == other.maxZoomIsExplicit
-            && userZoomIsExplicit == other.userZoomIsExplicit;
-    }
-
-    bool operator!=(const ViewportDescription& other) const
-    {
-        return !(*this == other);
-    }
-
-    bool isLegacyViewportType() const { return type >= HandheldFriendlyMeta && type <= ViewportMeta; }
-    bool isMetaViewportType() const { return type == ViewportMeta; }
-    bool isSpecifiedByAuthor() const { return type != UserAgentStyleSheet; }
-
-    // Reports UMA stat on whether the page is considered mobile or desktop and what kind of
-    // mobile it is. Applies only to Android, must only be called once per page load.
-    void reportMobilePageStats(const LocalFrame*) const;
-
-private:
-    enum Direction { Horizontal, Vertical };
-    static float resolveViewportLength(const Length&, const FloatSize& initialViewportSize, Direction);
-};
-
-} // namespace blink
-
-#endif // ViewportDescription_h