Count visible password fields on a page

third_party/WebKit/Source/core/frame/LocalFrame.cpp

Index: third_party/WebKit/Source/core/frame/LocalFrame.cpp
diff --git a/third_party/WebKit/Source/core/frame/LocalFrame.cpp b/third_party/WebKit/Source/core/frame/LocalFrame.cpp
index 3011eaa553a9e220ba546d56e460a14eafe3574e..48919ef566a75d1820c4618e86b3fb99aed0655d 100644
--- a/third_party/WebKit/Source/core/frame/LocalFrame.cpp
+++ b/third_party/WebKit/Source/core/frame/LocalFrame.cpp
@@ -556,6 +556,18 @@ bool LocalFrame::isCrossOriginSubframe() const {
              top->securityContext()->getSecurityOrigin());
 }
 
+void LocalFrame::incrementPasswordCount() {
+  ++m_passwordCount;
+}
+
+void LocalFrame::decrementPasswordCount() {
+  --m_passwordCount;
+}
+
+uint64_t LocalFrame::passwordCount() const {
+  return m_passwordCount;
+}
+
 void LocalFrame::setPrinting(bool printing,
                              const FloatSize& pageSize,
                              const FloatSize& originalPageSize,
@@ -870,7 +882,8 @@ inline LocalFrame::LocalFrame(FrameLoaderClient* client,
       m_textZoomFactor(parentTextZoomFactor(this)),
       m_inViewSourceMode(false),
       m_interfaceProvider(interfaceProvider),
-      m_interfaceRegistry(interfaceRegistry) {
+      m_interfaceRegistry(interfaceRegistry),
+      m_passwordCount(0) {
   if (isLocalRoot())
     m_instrumentingAgents = new InstrumentingAgents();
   else