Delete deprecated properties zoom:reset and zoom:document.

third_party/WebKit/Source/core/css/properties/CSSPropertyAPIZoom.cpp

 // Copyright 2017 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "core/css/properties/CSSPropertyAPIZoom.h"
 
 #include "core/css/parser/CSSParserContext.h"
 #include "core/css/parser/CSSPropertyParserHelpers.h"
 #include "core/frame/UseCounter.h"
 
 namespace blink {
 
 const CSSValue* CSSPropertyAPIZoom::parseSingleValue(
     CSSParserTokenRange& range,
     const CSSParserContext& context,
     CSSPropertyID) {
   const CSSParserToken& token = range.Peek();
   CSSValue* zoom = nullptr;
   if (token.GetType() == kIdentToken) {
-    zoom = CSSPropertyParserHelpers::ConsumeIdent<CSSValueNormal, CSSValueReset,
-                                                  CSSValueDocument>(range);
+    zoom = CSSPropertyParserHelpers::ConsumeIdent<CSSValueNormal>(range);
   } else {
     zoom =
         CSSPropertyParserHelpers::ConsumePercent(range, kValueRangeNonNegative);
     if (!zoom) {
       zoom = CSSPropertyParserHelpers::ConsumeNumber(range,
                                                      kValueRangeNonNegative);
     }
   }
   if (zoom) {
     if (!(token.Id() == CSSValueNormal ||
           (token.GetType() == kNumberToken &&
            ToCSSPrimitiveValue(zoom)->GetDoubleValue() == 1) ||
           (token.GetType() == kPercentageToken &&
            ToCSSPrimitiveValue(zoom)->GetDoubleValue() == 100)))
       context.Count(UseCounter::kCSSZoomNotEqualToOne);
-    if (token.Id() == CSSValueReset)
-      context.CountDeprecation(UseCounter::kCSSZoomReset);
-    if (token.Id() == CSSValueDocument)
-      context.CountDeprecation(UseCounter::kCSSZoomDocument);
   }
   return zoom;
 }
 
 }  // namespace blink