Count visible password fields on a page

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

Index: third_party/WebKit/Source/core/dom/Document.cpp
diff --git a/third_party/WebKit/Source/core/dom/Document.cpp b/third_party/WebKit/Source/core/dom/Document.cpp
index 149cd32f36b9d1f833d98c706a001b902e5c6781..f3a53130f3b96ca4d075bbc5897b27cd92c7c51e 100644
--- a/third_party/WebKit/Source/core/dom/Document.cpp
+++ b/third_party/WebKit/Source/core/dom/Document.cpp
@@ -504,7 +504,8 @@ Document::Document(const DocumentInit& initializer,
       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());
@@ -6349,6 +6350,18 @@ PropertyRegistry* Document::propertyRegistry() {
   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);