Add deprecation message for -webkit-background-composite

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

 // Copyright 2014 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/CSSParserImpl.h"
 
 #include "core/css/CSSCustomPropertyDeclaration.h"
 #include "core/css/CSSKeyframesRule.h"
 #include "core/css/CSSStyleSheet.h"
 #include "core/css/StylePropertySet.h"
 #include "core/css/StyleRuleImport.h"
 #include "core/css/StyleRuleKeyframe.h"
 #include "core/css/StyleRuleNamespace.h"
 #include "core/css/StyleSheetContents.h"
 #include "core/css/parser/CSSAtRuleID.h"
 #include "core/css/parser/CSSParserObserver.h"
 #include "core/css/parser/CSSParserObserverWrapper.h"
 #include "core/css/parser/CSSParserSelector.h"
 #include "core/css/parser/CSSPropertyParser.h"
 #include "core/css/parser/CSSSelectorParser.h"
 #include "core/css/parser/CSSSupportsParser.h"
 #include "core/css/parser/CSSTokenizer.h"
 #include "core/css/parser/CSSVariableParser.h"
 #include "core/css/parser/MediaQueryParser.h"
 #include "core/dom/Document.h"
 #include "core/dom/Element.h"
+#include "core/frame/Deprecation.h"
 #include "core/frame/UseCounter.h"
 #include "platform/TraceEvent.h"
 #include "wtf/BitArray.h"
 
 namespace blink {
 
 CSSParserImpl::CSSParserImpl(const CSSParserContext& context, StyleSheetContents* styleSheet)
 : m_context(context)
 , m_styleSheet(styleSheet)
 , m_observerWrapper(nullptr)
@@ skipping 675 matching lines @@
 
     size_t propertiesCount = m_parsedProperties.size();
     if (RuntimeEnabledFeatures::cssVariablesEnabled() && unresolvedProperty == CSSPropertyInvalid && CSSVariableParser::isValidVariableName(token)) {
         AtomicString variableName = token.value();
         consumeVariableValue(range.makeSubRange(&range.peek(), declarationValueEnd), variableName, important);
     }
 
     if (important && (ruleType == StyleRule::FontFace || ruleType == StyleRule::Keyframe))
         return;
 
-    if (unresolvedProperty != CSSPropertyInvalid)
+    if (unresolvedProperty != CSSPropertyInvalid) {
+        if (m_styleSheet && m_styleSheet->singleOwnerDocument())
+            Deprecation::warnOnDeprecatedProperties(m_styleSheet->singleOwnerDocument()->frame(), unresolvedProperty);
         consumeDeclarationValue(range.makeSubRange(&range.peek(), declarationValueEnd), unresolvedProperty, important, ruleType);
+    }
 
     if (m_observerWrapper && (ruleType == StyleRule::Style || ruleType == StyleRule::Keyframe)) {
         m_observerWrapper->observer().observeProperty(
             m_observerWrapper->startOffset(rangeCopy), m_observerWrapper->endOffset(rangeCopy),
             important, m_parsedProperties.size() != propertiesCount);
     }
 }
 
 void CSSParserImpl::consumeVariableValue(CSSParserTokenRange range, const AtomicString& variableName, bool important)
 {
@@ skipping 21 matching lines @@
         else
             return nullptr; // Parser error, invalid value in keyframe selector
         if (range.atEnd())
             return result.release();
         if (range.consume().type() != CommaToken)
             return nullptr; // Parser error
     }
 }
 
 } // namespace blink