Remove selected text when committing empty text

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

Index: third_party/WebKit/Source/core/editing/Editor.cpp
diff --git a/third_party/WebKit/Source/core/editing/Editor.cpp b/third_party/WebKit/Source/core/editing/Editor.cpp
index b714e43aba2e8bbce46d7ea185d76799a76db025..3f37d6ba0e1e3d9d124d28e52e0e6943f7260790 100644
--- a/third_party/WebKit/Source/core/editing/Editor.cpp
+++ b/third_party/WebKit/Source/core/editing/Editor.cpp
@@ -1071,15 +1071,12 @@ bool Editor::InsertTextWithoutSendingTextEvent(
     bool select_inserted_text,
     TextEvent* triggering_event,
     InputEvent::InputType input_type) {
-  if (text.IsEmpty())
-    return false;
-
   const VisibleSelection& selection = SelectionForCommand(triggering_event);
   if (!selection.IsContentEditable())
     return false;
 
   GetSpellChecker().UpdateMarkersForWordsAffectedByEditing(
-      IsSpaceOrNewline(text[0]));
+      !text.IsEmpty() && IsSpaceOrNewline(text[0]));
 
   // Insert the text
   TypingCommand::InsertText(