Add UseCounters for usage of -webkit-text

Source/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 2311 matching lines @@
         || (id >= CSSValueAliceblue && id <= CSSValueYellowgreen)
         || id == CSSValueMenu;
 }
 
 PassRefPtrWillBeRawPtr<CSSPrimitiveValue> CSSPropertyParser::parseColor(const CSSParserValue* value, bool acceptQuirkyColors)
 {
     CSSValueID id = value->id;
     if (isColorKeyword(id)) {
         if (!isValueAllowedInMode(id, m_context.mode()))
             return nullptr;
+        if (id == CSSValueWebkitText && m_context.useCounter())
+            m_context.useCounter()->count(UseCounter::WebkitTextInColorProperty);
         return cssValuePool().createIdentifierValue(id);
     }
     RGBA32 c = Color::transparent;
     if (!parseColorFromValue(value, c, acceptQuirkyColors))
         return nullptr;
     return cssValuePool().createColorValue(c);
 }
 
 bool CSSPropertyParser::parseFillImage(CSSParserValueList* valueList, RefPtrWillBeRawPtr<CSSValue>& value)
 {
@@ skipping 502 matching lines @@
         case CSSPropertyWebkitBackgroundClip:
         case CSSPropertyWebkitBackgroundOrigin:
         case CSSPropertyWebkitMaskClip:
         case CSSPropertyWebkitMaskOrigin:
             // The first three values here are deprecated and do not apply to the version of the property that has
             // the -webkit- prefix removed.
             if (val->id == CSSValueBorder || val->id == CSSValuePadding || val->id == CSSValueContent
                 || val->id == CSSValueBorderBox || val->id == CSSValuePaddingBox || val->id == CSSValueContentBox
                 || ((propId == CSSPropertyWebkitBackgroundClip || propId == CSSPropertyWebkitMaskClip)
                     && (val->id == CSSValueText || val->id == CSSValueWebkitText))) {
+                if (val->id == CSSValueWebkitText && m_context.useCounter())
+                    m_context.useCounter()->count(UseCounter::WebkitTextInClipProperty);
                 currValue = cssValuePool().createIdentifierValue(val->id);
                 m_valueList->next();
             }
             break;
         case CSSPropertyBackgroundClip:
-            if (parseBackgroundClip(val, currValue))
+            if (parseBackgroundClip(val, currValue)) {
+                if (val->id == CSSValueWebkitText && m_context.useCounter())
+                    m_context.useCounter()->count(UseCounter::WebkitTextInClipProperty);
                 m_valueList->next();
+            }
             break;
         case CSSPropertyBackgroundOrigin:
             if (val->id == CSSValueBorderBox || val->id == CSSValuePaddingBox || val->id == CSSValueContentBox) {
                 currValue = cssValuePool().createIdentifierValue(val->id);
                 m_valueList->next();
             }
             break;
         case CSSPropertyBackgroundPosition:
             if (!inShorthand())
                 unitless = FUnitlessQuirk;
@@ skipping 5222 matching lines @@
         }
     }
 
     if (!list->length())
         return nullptr;
 
     return list.release();
 }
 
 } // namespace blink