[InputEvent] Update EndingSelection when appending UndoStep

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 8207eb6381b2216ff33bb1f6d3992c1edec8bb11..4e6d3b6661db4cdd5b148511f4244d95bca3b0dc 100644
--- a/third_party/WebKit/Source/core/editing/Editor.cpp
+++ b/third_party/WebKit/Source/core/editing/Editor.cpp
@@ -965,6 +965,8 @@ void Editor::AppliedEditing(CompositeEditCommand* cmd) {
     // Only register undo entry when combined with other commands.
     if (!last_edit_command_->GetUndoStep())
       undo_stack_->RegisterUndoStep(last_edit_command_->EnsureUndoStep());
+    last_edit_command_->EnsureUndoStep()->SetEndingSelection(
+        cmd->EnsureUndoStep()->EndingSelection());
     last_edit_command_->AppendCommandToUndoStep(cmd);
   } else {
     // Only register a new undo command if the command passed in is