Revert of Add deprecation message for -webkit-background-composite

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

Index: third_party/WebKit/Source/core/css/parser/CSSParserImpl.cpp
diff --git a/third_party/WebKit/Source/core/css/parser/CSSParserImpl.cpp b/third_party/WebKit/Source/core/css/parser/CSSParserImpl.cpp
index cb40334ff406178648b415f967de57d145a16c87..47300c6a897999dfec368d8391fce2fce1ef1305 100644
--- a/third_party/WebKit/Source/core/css/parser/CSSParserImpl.cpp
+++ b/third_party/WebKit/Source/core/css/parser/CSSParserImpl.cpp
@@ -24,7 +24,6 @@
 #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"
@@ -720,11 +719,8 @@
     if (important && (ruleType == StyleRule::FontFace || ruleType == StyleRule::Keyframe))
         return;
 
-    if (unresolvedProperty != CSSPropertyInvalid) {
-        if (m_styleSheet && m_styleSheet->singleOwnerDocument())
-            Deprecation::warnOnDeprecatedProperties(m_styleSheet->singleOwnerDocument()->frame(), unresolvedProperty);
+    if (unresolvedProperty != CSSPropertyInvalid)
         consumeDeclarationValue(range.makeSubRange(&range.peek(), declarationValueEnd), unresolvedProperty, important, ruleType);
-    }
 
     if (m_observerWrapper && (ruleType == StyleRule::Style || ruleType == StyleRule::Keyframe)) {
         m_observerWrapper->observer().observeProperty(