Set selection to INPUT/TEXTAREA before dispatching 'focus' event.

third_party/WebKit/Source/core/html/HTMLInputElement.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  *           (C) 2006 Alexey Proskuryakov (ap@nypop.com)
  * Copyright (C) 2007 Samuel Weinig (sam@webkit.org)
  * Copyright (C) 2010 Google Inc. All rights reserved.
  * Copyright (C) 2008 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2012 Samsung Electronics. All rights reserved.
@@ skipping 333 matching lines @@
 {
     if (isTextField()) {
         switch (selectionBehavior) {
         case SelectionBehaviorOnFocus::Reset:
             select(NotDispatchSelectEvent);
             break;
         case SelectionBehaviorOnFocus::Restore:
             restoreCachedSelection();
             break;
         case SelectionBehaviorOnFocus::None:
-            // |None| is used only for FocusController::setFocusedElement and
-            // Document::setFocusedElement, and they don't call
-            // updateFocusAppearance().
-            ASSERT_NOT_REACHED();
+            return;
         }
         if (document().frame())
             document().frame()->selection().revealSelection();
     } else {
         HTMLTextFormControlElement::updateFocusAppearance(selectionBehavior);
     }
 }
 
 void HTMLInputElement::beginEditing()
 {
@@ skipping 1584 matching lines @@
 void HTMLInputElement::ensurePrimaryContent()
 {
     m_inputTypeView->ensurePrimaryContent();
 }
 
 bool HTMLInputElement::hasFallbackContent() const
 {
     return m_inputTypeView->hasFallbackContent();
 }
 } // namespace