Remove a redundant layout update from normalizeRangeAlgorithm

third_party/WebKit/Source/core/editing/EditingUtilities.cpp

Index: third_party/WebKit/Source/core/editing/EditingUtilities.cpp
diff --git a/third_party/WebKit/Source/core/editing/EditingUtilities.cpp b/third_party/WebKit/Source/core/editing/EditingUtilities.cpp
index 5f960c5f295284722b9edb50da0fc28cc504e60a..28334410658bad4cd621c297aec8b51790528354 100644
--- a/third_party/WebKit/Source/core/editing/EditingUtilities.cpp
+++ b/third_party/WebKit/Source/core/editing/EditingUtilities.cpp
@@ -1725,7 +1725,8 @@ template <typename Strategy>
 static EphemeralRangeTemplate<Strategy> normalizeRangeAlgorithm(const EphemeralRangeTemplate<Strategy>& range)
 {
     DCHECK(range.isNotNull());
-    range.document().updateStyleAndLayoutIgnorePendingStylesheets();
+    DCHECK(!range.document().needsLayoutTreeUpdate());
+    DocumentLifecycle::DisallowTransitionScope disallowTransition(range.document().lifecycle());
 
     // TODO(yosin) We should not call |parentAnchoredEquivalent()|, it is
     // redundant.