NOCOMMIT: Blink tracing now uses base

third_party/WebKit/Source/core/css/resolver/StyleResolverStats.cpp

Index: third_party/WebKit/Source/core/css/resolver/StyleResolverStats.cpp
diff --git a/third_party/WebKit/Source/core/css/resolver/StyleResolverStats.cpp b/third_party/WebKit/Source/core/css/resolver/StyleResolverStats.cpp
index 7076fe5d777a5274845ed7e6cb8ac173b2c91a63..1f0094e1682dd744419c20bf211210fd2d1d18da 100644
--- a/third_party/WebKit/Source/core/css/resolver/StyleResolverStats.cpp
+++ b/third_party/WebKit/Source/core/css/resolver/StyleResolverStats.cpp
@@ -64,9 +64,9 @@ bool StyleResolverStats::allCountersEnabled() const
     return allCountersEnabled;
 }
 
-PassRefPtr<TracedValue> StyleResolverStats::toTracedValue() const
+scoped_refptr<TracedValue> StyleResolverStats::toTracedValue() const
 {
-    RefPtr<TracedValue> tracedValue = TracedValue::create();
+    scoped_refptr<TracedValue> tracedValue = TracedValue::create();
     tracedValue->setInteger("sharedStyleLookups", sharedStyleLookups);
     tracedValue->setInteger("sharedStyleCandidates", sharedStyleCandidates);
     tracedValue->setInteger("sharedStyleFound", sharedStyleFound);
@@ -88,7 +88,7 @@ PassRefPtr<TracedValue> StyleResolverStats::toTracedValue() const
     tracedValue->setInteger("elementsStyled", elementsStyled);
     tracedValue->setInteger("pseudoElementsStyled", pseudoElementsStyled);
     tracedValue->setInteger("baseStylesUsed", baseStylesUsed);
-    return tracedValue.release();
+    return tracedValue;
 }