From 99253c02a4922458ed64cfea75bbb07d8fe183ef Mon Sep 17 00:00:00 2001
From: Ehsan Akhgari <ehsan@mozilla.com>
Date: Tue, 1 Aug 2017 21:17:49 -0400
Subject: [PATCH] Bug 1386471 - Don't remove all ranges before calling
 SetText(); r=masayuki

---
 dom/html/nsTextEditorState.cpp | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/dom/html/nsTextEditorState.cpp b/dom/html/nsTextEditorState.cpp
index be3de955e2e7..b25ad39849a0 100644
--- a/dom/html/nsTextEditorState.cpp
+++ b/dom/html/nsTextEditorState.cpp
@@ -2666,12 +2666,6 @@ nsTextEditorState::SetValue(const nsAString& aValue, const nsAString* aOldValue,
             }
           } else {
             AutoDisableUndo disableUndo(textEditor);
-            if (domSel) {
-              // Since we don't use undo transaction, we don't need to store
-              // selection state.  SetText will set selection to tail.
-              domSel->RemoveAllRanges();
-            }
-
             textEditor->SetText(newValue);
           }