Length MQs invalidate non zero numbers

Source/core/css/MediaQueryExp.cpp

 /*
  * CSS Media Query
  *
  * Copyright (C) 2006 Kimmo Kinnunen <kimmo.t.kinnunen@nokia.com>.
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
  * Copyright (C) 2013 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
@@ skipping 59 matching lines @@
     if (mediaFeature == MediaFeatureNames::pointerMediaFeature)
         return ident == CSSValueNone || ident == CSSValueCoarse || ident == CSSValueFine;
 
     if (mediaFeature == MediaFeatureNames::scanMediaFeature)
         return ident == CSSValueInterlace || ident == CSSValueProgressive;
 
     ASSERT_NOT_REACHED();
     return false;
 }
 
-static inline bool featureWithValidPositiveLenghtOrNumber(const AtomicString& mediaFeature, const CSSParserValue* value)
+static inline bool featureWithValidPositiveLength(const AtomicString& mediaFeature, const CSSParserValue* value)
 {
-    if (!(((value->unit >= CSSPrimitiveValue::CSS_EMS && value->unit <= CSSPrimitiveValue::CSS_PC) || value->unit == CSSPrimitiveValue::CSS_REMS) || value->unit == CSSPrimitiveValue::CSS_NUMBER) || value->fValue < 0)
+    if (!(((value->unit >= CSSPrimitiveValue::CSS_EMS && value->unit <= CSSPrimitiveValue::CSS_PC) || value->unit == CSSPrimitiveValue::CSS_REMS) || (value->unit == CSSPrimitiveValue::CSS_NUMBER && !(value->fValue))) || value->fValue < 0)
         return false;
 
     return mediaFeature == MediaFeatureNames::heightMediaFeature
         || mediaFeature == MediaFeatureNames::maxHeightMediaFeature
         || mediaFeature == MediaFeatureNames::minHeightMediaFeature
         || mediaFeature == MediaFeatureNames::widthMediaFeature
         || mediaFeature == MediaFeatureNames::maxWidthMediaFeature
         || mediaFeature == MediaFeatureNames::minWidthMediaFeature
         || mediaFeature == MediaFeatureNames::deviceHeightMediaFeature
         || mediaFeature == MediaFeatureNames::maxDeviceHeightMediaFeature
@@ skipping 125 matching lines @@
             CSSParserValue* value = valueList->current();
 
             if (featureWithCSSValueID(mediaFeature, value)) {
                 // Media features that use CSSValueIDs.
                 cssValue = CSSPrimitiveValue::createIdentifier(value->id);
                 if (!featureWithValidIdent(mediaFeature, toCSSPrimitiveValue(cssValue.get())->getValueID()))
                     cssValue.clear();
             } else if (featureWithValidDensity(mediaFeature, value)) {
                 // Media features that must have non-negative <density>, ie. dppx, dpi or dpcm.
                 cssValue = CSSPrimitiveValue::create(value->fValue, (CSSPrimitiveValue::UnitTypes) value->unit);
-            } else if (featureWithValidPositiveLenghtOrNumber(mediaFeature, value)) {
+            } else if (featureWithValidPositiveLength(mediaFeature, value)) {
                 // Media features that must have non-negative <lenght> or number value.
                 cssValue = CSSPrimitiveValue::create(value->fValue, (CSSPrimitiveValue::UnitTypes) value->unit);
             } else if (featureWithPositiveInteger(mediaFeature, value)) {
                 // Media features that must have non-negative integer value.
                 cssValue = CSSPrimitiveValue::create(value->fValue, CSSPrimitiveValue::CSS_NUMBER);
             } else if (featureWithPositiveNumber(mediaFeature, value)) {
                 // Media features that must have non-negative number value.
                 cssValue = CSSPrimitiveValue::create(value->fValue, CSSPrimitiveValue::CSS_NUMBER);
             } else if (featureWithZeroOrOne(mediaFeature, value)) {
                 // Media features that must have (0|1) value.
@@ skipping 50 matching lines @@
     if (m_value) {
         result.append(": ");
         result.append(m_value->cssText());
     }
     result.append(")");
 
     return result.toString();
 }
 
 } // namespace