Ignore setSelectionRange when node is un-parented.

Source/core/html/HTMLTextFormControlElement.cpp

Index: Source/core/html/HTMLTextFormControlElement.cpp
diff --git a/Source/core/html/HTMLTextFormControlElement.cpp b/Source/core/html/HTMLTextFormControlElement.cpp
index 274fec19b5ce1c3adc6b0872f6d8d129bc393204..2349df4143fd6f81182b8ddef1e4e7151d84ba94 100644
--- a/Source/core/html/HTMLTextFormControlElement.cpp
+++ b/Source/core/html/HTMLTextFormControlElement.cpp
@@ -348,7 +348,7 @@ static int indexForPosition(HTMLElement* innerEditor, const Position& passedPosi
 
 void HTMLTextFormControlElement::setSelectionRange(int start, int end, TextFieldSelectionDirection direction, NeedToDispatchSelectEvent eventBehaviour, SelectionOption selectionOption)
 {
-    if (hasOpenShadowRoot() || !isTextFormControl())
+    if (hasOpenShadowRoot() || !isTextFormControl() || !inDocument())
         return;
 
     const int editorValueLength = static_cast<int>(innerEditorValue().length());