Use attach/detachLayoutTree to signal password counting

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.
@@ skipping 834 matching lines @@
   return m_inputType->layoutObjectIsNeeded() &&
          HTMLTextFormControlElement::layoutObjectIsNeeded(style);
 }
 
 LayoutObject* HTMLInputElement::createLayoutObject(const ComputedStyle& style) {
   return m_inputTypeView->createLayoutObject(style);
 }
 
 void HTMLInputElement::attachLayoutTree(const AttachContext& context) {
   HTMLTextFormControlElement::attachLayoutTree(context);
+  if (layoutObject()) {
+    m_inputType->onAttachWithLayoutObject();
+  }
 
   m_inputTypeView->startResourceLoading();
   m_inputType->countUsage();
 
   if (document().focusedElement() == this)
     document().updateFocusAppearanceSoon(SelectionBehaviorOnFocus::Restore);
 }
 
 void HTMLInputElement::detachLayoutTree(const AttachContext& context) {
+  if (layoutObject()) {
+    m_inputType->onDetachWithLayoutObject();
+  }
   HTMLTextFormControlElement::detachLayoutTree(context);
   m_needsToUpdateViewValue = true;
   m_inputTypeView->closePopupView();
 }
 
 String HTMLInputElement::altText() const {
   // http://www.w3.org/TR/1998/REC-html40-19980424/appendix/notes.html#altgen
   // also heavily discussed by Hixie on bugzilla
   // note this is intentionally different to HTMLImageElement::altText()
   String alt = fastGetAttribute(altAttr);
@@ skipping 1072 matching lines @@
 
 bool HTMLInputElement::hasFallbackContent() const {
   return m_inputTypeView->hasFallbackContent();
 }
 
 void HTMLInputElement::setFilesFromPaths(const Vector<String>& paths) {
   return m_inputType->setFilesFromPaths(paths);
 }
 
 }  // namespace blink