INPUT/TEXTAREA elements: Fix incorrect selectionStart/selectionEnd values after blur.

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

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights
  * reserved.
  * Copyright (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  * Copyright (C) 2012 Digia Plc. and/or its subsidiary(-ies)
  * Copyright (C) 2015 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
@@ skipping 903 matching lines @@
     }
 
     if (Selection().ComputeVisibleSelectionInFlatTree() !=
         CreateVisibleSelection(builder.Build())) {
       Selection().SetSelection(builder.Build());
     }
 
     handled = true;
   }
 
-  Selection().NotifyLayoutObjectOfSelectionChange(kUserTriggered);
+  Selection().NotifyTextControlOfSelectionChange(kUserTriggered);
 
   Selection().SelectFrameElementInParentIfFullySelected();
 
   if (event.Event().button == WebPointerProperties::Button::kMiddle &&
       !event.IsOverLink()) {
     // Ignore handled, since we want to paste to where the caret was placed
     // anyway.
     handled = HandlePasteGlobalSelection(event.Event()) || handled;
   }
 
@@ skipping 199 matching lines @@
 
 bool IsExtendingSelection(const MouseEventWithHitTestResults& event) {
   bool is_mouse_down_on_link_or_image =
       event.IsOverLink() || event.GetHitTestResult().GetImage();
   return (event.Event().GetModifiers() & WebInputEvent::Modifiers::kShiftKey) !=
              0 &&
          !is_mouse_down_on_link_or_image;
 }
 
 }  // namespace blink