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 648 matching lines @@
     }
 }
 
 void CSSParserImpl::consumeDeclaration(CSSParserTokenRange range, StyleRule::Type ruleType)
 {
     CSSParserTokenRange rangeCopy = range; // For inspector callbacks
 
     ASSERT(range.peek().type() == IdentToken);
     const CSSParserToken& token = range.consumeIncludingWhitespace();
     CSSPropertyID unresolvedProperty = token.parseAsUnresolvedCSSPropertyID();
+    if (m_styleSheet && m_styleSheet->singleOwnerDocument() && unresolvedProperty != CSSPropertyInvalid)

[Timothy Loh, 2016/01/25 04:48:41]

Probably better to put this at the bottom of the function

[nainar, 2016/01/25 05:33:22]

Done

+        Deprecation::showConsoleWarning(m_styleSheet->singleOwnerDocument()->frame(), unresolvedProperty);

[Timothy Loh, 2016/01/25 04:48:41]

I don't like the naming, this sounds like we're showing a warning for every
property.

[nainar, 2016/01/25 05:33:21]

Done

     if (range.consume().type() != ColonToken)
         return; // Parse error
 
     bool important = false;
     const CSSParserToken* declarationValueEnd = range.end();
     const CSSParserToken* last = range.end() - 1;
     while (last->type() == WhitespaceToken)
         --last;
     if (last->type() == IdentToken && last->valueEqualsIgnoringCase("important")) {
         --last;
@@ skipping 50 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