Only call TextChanged on existing AXObjects

third_party/WebKit/Source/core/dom/Text.cpp

Index: third_party/WebKit/Source/core/dom/Text.cpp
diff --git a/third_party/WebKit/Source/core/dom/Text.cpp b/third_party/WebKit/Source/core/dom/Text.cpp
index 776feb3390df5d229687e800970e533510e22a93..09e391a059a668ae763dc4a898fe20c2b6676a55 100644
--- a/third_party/WebKit/Source/core/dom/Text.cpp
+++ b/third_party/WebKit/Source/core/dom/Text.cpp
@@ -31,7 +31,6 @@
 #include "core/dom/LayoutTreeBuilderTraversal.h"
 #include "core/dom/NodeComputedStyle.h"
 #include "core/dom/NodeTraversal.h"
-#include "core/dom/shadow/ElementShadow.h"
 #include "core/dom/shadow/ShadowRoot.h"
 #include "core/events/ScopedEventQueue.h"
 #include "core/layout/LayoutText.h"
@@ -447,11 +446,6 @@ static bool ShouldUpdateLayoutByReattaching(const Text& text_node,
                                           *text_layout_object->Parent())) {
     return true;
   }
-  // Check whether this node may be about to be redistributed.
-  if (text_node.ParentElementShadow() &&
-      text_node.ParentElementShadow()->NeedsDistributionRecalc()) {
-    return true;
-  }
   if (text_layout_object->IsTextFragment()) {
     // Changes of |textNode| may change first letter part, so we should
     // reattach.