Merge 121599 - Allow non-borders to be adjusted to less than 1 when zoomed out

Source/WebCore/css/CSSPrimitiveValue.cpp

 /*
  * (C) 1999-2003 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008 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,
@@ skipping 522 matching lines @@
         computedValue = getDoubleValue();
     
     // We do not apply the zoom factor when we are computing the value of the font-size property. The zooming
     // for font sizes is much more complicated, since we have to worry about enforcing the minimum font size preference
     // as well as enforcing the implicit "smart minimum." In addition the CSS property text-size-adjust is used to
     // prevent text from zooming at all. Therefore we will not apply the zoom here if we are computing font-size.
     double result = computedValue * factor;
     if (computingFontSize || isFontRelativeLength())
         return result;
 
-    // Any original result that was >= 1 should not be allowed to fall below 1.  This keeps border lines from
-    // vanishing.
-    double zoomedResult = result * multiplier;
-    if (zoomedResult < 1.0 && result >= 1.0)
-        return 1.0;
-    return zoomedResult;
+    return result * multiplier;
 }
 
 void CSSPrimitiveValue::setFloatValue(unsigned short, double, ExceptionCode& ec)
 {
     // Keeping values immutable makes optimizations easier and allows sharing of the primitive value objects.
     // No other engine supports mutating style through this API. Computed style is always read-only anyway.
     // Supporting setter would require making primitive value copy-on-write and taking care of style invalidation.
     ec = NO_MODIFICATION_ALLOWED_ERR;
 }
 
@@ skipping 675 matching lines @@
         ASSERT_NOT_REACHED();
         break;
     }
     if (result)
         result->setCSSOMSafe();
 
     return result;
 }
 
 } // namespace WebCore