Resolve CSS url(...) non-<image> values against the correct base

third_party/WebKit/Source/core/css/parser/CSSPropertyParserHelpers.cpp

 // Copyright 2016 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/parser/CSSPropertyParserHelpers.h"
 
 #include "core/css/CSSCalculationValue.h"
 #include "core/css/CSSColorValue.h"
 #include "core/css/CSSCrossfadeValue.h"
 #include "core/css/CSSGradientValue.h"
@@ skipping 358 matching lines @@
       return StringView();
     ASSERT(next.type() == StringToken);
     range = urlRange;
     range.consumeWhitespace();
     return next.value();
   }
 
   return StringView();
 }
 
-CSSURIValue* consumeUrl(CSSParserTokenRange& range) {
+CSSURIValue* consumeUrl(CSSParserTokenRange& range,
+                        const CSSParserContext* context) {
   StringView url = consumeUrlAsStringView(range);
   if (url.isNull())
     return nullptr;
-  return CSSURIValue::create(url.toString());
+  String urlString = url.toString();
+  return CSSURIValue::create(urlString, context->completeURL(urlString));
 }
 
 static int clampRGBComponent(const CSSPrimitiveValue& value) {
   double result = value.getDoubleValue();
   // TODO(timloh): Multiply by 2.55 and round instead of floor.
   if (value.isPercentage())
     result *= 2.56;
   return clampTo<int>(result, 0, 255);
 }
 
@@ skipping 854 matching lines @@
 
 // https://drafts.csswg.org/css-shapes-1/#typedef-shape-box
 CSSIdentifierValue* consumeShapeBox(CSSParserTokenRange& range) {
   return consumeIdent<CSSValueContentBox, CSSValuePaddingBox, CSSValueBorderBox,
                       CSSValueMarginBox>(range);
 }
 
 }  // namespace CSSPropertyParserHelpers
 
 }  // namespace blink