Count visible password fields on a page

third_party/WebKit/Source/core/dom/Document.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2011, 2012 Apple Inc. All
  * rights reserved.
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved.
  * (http://www.torchmobile.com/)
  * Copyright (C) 2008, 2009, 2011, 2012 Google Inc. All rights reserved.
@@ skipping 486 matching lines @@
       m_compositorPendingAnimations(new CompositorPendingAnimations()),
       m_templateDocumentHost(nullptr),
       m_didAssociateFormControlsTimer(
           TaskRunnerHelper::get(TaskType::Internal, this),
           this,
           &Document::didAssociateFormControlsTimerFired),
       m_timers(TaskRunnerHelper::get(TaskType::Timer, this)->clone()),
       m_hasViewportUnits(false),
       m_parserSyncPolicy(AllowAsynchronousParsing),
       m_nodeCount(0),
-      m_wouldLoadReason(Created) {
+      m_wouldLoadReason(Created),
+      m_passwordCount(0) {
   if (m_frame) {
     DCHECK(m_frame->page());
     provideContextFeaturesToDocumentFrom(*this, *m_frame->page());
 
     m_fetcher = m_frame->loader().documentLoader()->fetcher();
     FrameFetchContext::provideDocumentToContext(m_fetcher->context(), this);
 
     CustomElementRegistry* registry =
         m_frame->localDOMWindow()
             ? m_frame->localDOMWindow()->maybeCustomElements()
@@ skipping 5824 matching lines @@
   return LayoutViewItem(m_layoutView);
 }
 
 PropertyRegistry* Document::propertyRegistry() {
   // TODO(timloh): When the flag is removed, return a reference instead.
   if (!m_propertyRegistry && RuntimeEnabledFeatures::cssVariables2Enabled())
     m_propertyRegistry = PropertyRegistry::create();
   return m_propertyRegistry;
 }
 
+void Document::incrementPasswordCount() {
+  ++m_passwordCount;
+}
+
+void Document::decrementPasswordCount() {
+  --m_passwordCount;
+}
+
+unsigned Document::passwordCount() const {
+  return m_passwordCount;
+}
+
 DEFINE_TRACE(Document) {
   visitor->trace(m_importsController);
   visitor->trace(m_docType);
   visitor->trace(m_implementation);
   visitor->trace(m_autofocusElement);
   visitor->trace(m_focusedElement);
   visitor->trace(m_sequentialFocusNavigationStartingPoint);
   visitor->trace(m_hoverNode);
   visitor->trace(m_activeHoverElement);
   visitor->trace(m_documentElement);
@@ skipping 92 matching lines @@
 }
 
 void showLiveDocumentInstances() {
   WeakDocumentSet& set = liveDocumentSet();
   fprintf(stderr, "There are %u documents currently alive:\n", set.size());
   for (Document* document : set)
     fprintf(stderr, "- Document %p URL: %s\n", document,
             document->url().getString().utf8().data());
 }
 #endif