Made setWholeSubtreeInvalid non-inline.

Source/core/css/analyzer/DescendantInvalidationSet.h

Index: Source/core/css/analyzer/DescendantInvalidationSet.h
diff --git a/Source/core/css/analyzer/DescendantInvalidationSet.h b/Source/core/css/analyzer/DescendantInvalidationSet.h
index 40751446deed846ec1b4f2b0e2e89d4d6638da27..ce83b85059538c5e10a3bf635bb251b25446df9e 100644
--- a/Source/core/css/analyzer/DescendantInvalidationSet.h
+++ b/Source/core/css/analyzer/DescendantInvalidationSet.h
@@ -78,17 +78,6 @@ private:
     OwnPtr<HashSet<AtomicString> > m_tagNames;
 };
 
-inline void DescendantInvalidationSet::setWholeSubtreeInvalid()
-{
-    if (m_allDescendantsMightBeInvalid)
-        return;
-
-    m_allDescendantsMightBeInvalid = true;
-    m_classes = nullptr;
-    m_ids = nullptr;
-    m_tagNames = nullptr;
-}
-
 } // namespace WebCore
 
 #endif // DescendantInvalidationSet_h