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

Source/core/css/resolver/StyleBuilderCustom.cpp

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 2004-2005 Allan Sandfeld Jensen (kde@carewolf.com)
  * Copyright (C) 2006, 2007 Nicholas Shanks (webkit@nickshanks.com)
  * Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 Apple Inc. All rights reserved.
  * Copyright (C) 2007 Alexey Proskuryakov <ap@webkit.org>
  * Copyright (C) 2007, 2008 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (c) 2011, Code Aurora Forum. All rights reserved.
@@ skipping 2053 matching lines @@
     case CSSPropertyWebkitShapeInside:
     case CSSPropertyWebkitShapeOutside:
     case CSSPropertyWhiteSpace:
     case CSSPropertyWidows:
     case CSSPropertyWidth:
     case CSSPropertyWordBreak:
     case CSSPropertyWordSpacing:
     case CSSPropertyWordWrap:
     case CSSPropertyZIndex:
     case CSSPropertyZoom:
+    case CSSPropertyMaxZoom:
+    case CSSPropertyMinZoom:
+    case CSSPropertyOrientation:
+    case CSSPropertyUserZoom:
+    case CSSPropertyInternalPriority:
+    case CSSPropertyInternalTargetDensity:
     case CSSPropertyFontFamily:
     case CSSPropertyGridAutoFlow:
     case CSSPropertyMarker:
     case CSSPropertyAlignmentBaseline:
     case CSSPropertyBufferedRendering:
     case CSSPropertyClipRule:
     case CSSPropertyColorInterpolation:
     case CSSPropertyColorInterpolationFilters:
     case CSSPropertyColorRendering:
     case CSSPropertyDominantBaseline:
     case CSSPropertyFillRule:
     case CSSPropertyMaskType:
     case CSSPropertyShapeRendering:
     case CSSPropertyStrokeLinecap:
     case CSSPropertyStrokeLinejoin:
     case CSSPropertyTextAnchor:
     case CSSPropertyVectorEffect:
     case CSSPropertyWritingMode:
         ASSERT_NOT_REACHED();
         return;
-    // Only used in @viewport rules
-    case CSSPropertyMaxZoom:
-    case CSSPropertyMinZoom:
-    case CSSPropertyOrientation:
-    case CSSPropertyUserZoom:
-        return;
 
     case CSSPropertyBaselineShift:
     {
         HANDLE_SVG_INHERIT_AND_INITIAL(baselineShift, BaselineShift);
         if (!primitiveValue)
             break;
 
         SVGRenderStyle* svgStyle = state.style()->accessSVGStyle();
         if (primitiveValue->getValueID()) {
             switch (primitiveValue->getValueID()) {
@@ skipping 227 matching lines @@
         break;
     }
     case CSSPropertyEnableBackground:
         // Silently ignoring this property for now
         // http://bugs.webkit.org/show_bug.cgi?id=6022
         break;
     }
 }
 
 } // namespace WebCore