Initial step of removing CSS zoom related properties.

sky/engine/core/css/parser/CSSPropertyParser.cpp

 /*
  * Copyright (C) 2003 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2005 Allan Sandfeld Jensen (kde@carewolf.com)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2007 Nicholas Shanks <webkit@nickshanks.com>
  * Copyright (C) 2008 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2012 Adobe Systems Incorporated. All rights reserved.
  * Copyright (C) 2012 Intel Corporation. All rights reserved.
  *
@@ skipping 849 matching lines @@
     case CSSPropertyWebkitTextDecorationsInEffect:
     case CSSPropertyTextDecorationLine:
         // none | [ underline || overline || line-through || blink ] | inherit
         return parseTextDecoration(propId, important);
 
     case CSSPropertyTextUnderlinePosition:
         // auto | under | inherit
         ASSERT(RuntimeEnabledFeatures::css3TextDecorationsEnabled());
         return parseTextUnderlinePosition(important);
 
-    case CSSPropertyZoom:          // normal | reset | document | <number> | <percentage> | inherit
-        if (id == CSSValueNormal || id == CSSValueReset || id == CSSValueDocument)
-            validPrimitive = true;
-        else
-            validPrimitive = (!id && validUnit(value, FNumber | FPercent | FNonNeg));
-        break;
-
     case CSSPropertySrc: // Only used within @font-face and @-webkit-filter, so cannot use inherit | initial or be !important. This is a list of urls or local references.
         parsedValue = parseFontFaceSrc();
         break;
 
     case CSSPropertyUnicodeRange:
         parsedValue = parseFontFaceUnicodeRange();
         break;
 
     /* CSS3 properties */
 
@@ skipping 430 matching lines @@
             return true;
         }
         break;
     case CSSPropertyTouchAction:
         parsedValue = parseTouchAction();
         break;
 
     // Properties below are validated inside parseViewportProperty, because we
     // check for parser state. We need to invalidate if someone adds them outside
     // a @viewport rule.
-    case CSSPropertyMaxZoom:
-    case CSSPropertyMinZoom:
     case CSSPropertyOrientation:
-    case CSSPropertyUserZoom:
         validPrimitive = false;
         break;
 
     default:
         return false;
     }
 
     if (validPrimitive) {
         parsedValue = parseValidPrimitive(id, value);
         m_valueList->next();
@@ skipping 4766 matching lines @@
     case CSSPropertyMaxHeight:
         if (id == CSSValueAuto || id == CSSValueInternalExtendToZoom)
             validPrimitive = true;
         else
             validPrimitive = (!id && validUnit(value, FLength | FPercent | FNonNeg));
         break;
     case CSSPropertyWidth: // shorthand
         return parseViewportShorthand(propId, CSSPropertyMinWidth, CSSPropertyMaxWidth, important);
     case CSSPropertyHeight:
         return parseViewportShorthand(propId, CSSPropertyMinHeight, CSSPropertyMaxHeight, important);
-    case CSSPropertyMinZoom: // auto | <number> | <percentage>
-    case CSSPropertyMaxZoom:
-    case CSSPropertyZoom:
-        if (id == CSSValueAuto)
-            validPrimitive = true;
-        else
-            validPrimitive = (!id && validUnit(value, FNumber | FPercent | FNonNeg));
-        break;
-    case CSSPropertyUserZoom: // zoom | fixed
-        if (id == CSSValueZoom || id == CSSValueFixed)
-            validPrimitive = true;
-        break;
     case CSSPropertyOrientation: // auto | portrait | landscape
         if (id == CSSValueAuto || id == CSSValuePortrait || id == CSSValueLandscape)
             validPrimitive = true;
     default:
         break;
     }
 
     RefPtr<CSSValue> parsedValue = nullptr;
     if (validPrimitive) {
         parsedValue = parseValidPrimitive(id, value);
@@ skipping 116 matching lines @@
         || equalIgnoringCase(token, "n") || equalIgnoringCase(token, "-n");
 }
 
 bool CSSPropertyParser::isSystemColor(int id)
 {
     // FIXME(sky): remove
     return false;
 }
 
 } // namespace blink