Add support for setting password value gated on user's gesture in a page

Source/core/page/Page.cpp

Index: Source/core/page/Page.cpp
diff --git a/Source/core/page/Page.cpp b/Source/core/page/Page.cpp
index 8da4a2127f7cc412e59e4cf7beeb577c55b502c0..5730c0e0777754fd22c08e917aca2abfa4adc875 100644
--- a/Source/core/page/Page.cpp
+++ b/Source/core/page/Page.cpp
@@ -135,6 +135,7 @@ Page::Page(PageClients& pageClients)
 #ifndef NDEBUG
     , m_isPainting(false)
 #endif
+    , m_userGestureSeenSinceLastNavigation(false)
     , m_frameHost(FrameHost::create(*this))
 {
     ASSERT(m_editorClient);
@@ -513,6 +514,7 @@ void Page::didCommitLoad(LocalFrame* frame)
 {
     lifecycleNotifier().notifyDidCommitLoad(frame);
     if (m_mainFrame == frame) {
+        m_userGestureSeenSinceLastNavigation = false;
         useCounter().didCommitLoad();
         m_inspectorController->didCommitLoadForMainFrame();
     }