Add hooks for capturing meaningful text info, gently.

Source/core/loader/NavigationScheduler.cpp

Index: Source/core/loader/NavigationScheduler.cpp
diff --git a/Source/core/loader/NavigationScheduler.cpp b/Source/core/loader/NavigationScheduler.cpp
index ede1efdeac3bf0283535af9a9279cbce220204b3..2841a7980c71c1b8148245126de3899c5819f461 100644
--- a/Source/core/loader/NavigationScheduler.cpp
+++ b/Source/core/loader/NavigationScheduler.cpp
@@ -158,6 +158,7 @@ public:
         request.setClientRedirect(ClientRedirect);
         frame->loader().load(request);
     }
+
 private:
     ScheduledRedirect(double delay, Document* originDocument, const String& url, bool replacesCurrentItem)
         : ScheduledURLNavigation(delay, originDocument, url, replacesCurrentItem, false)
@@ -279,6 +280,11 @@ bool NavigationScheduler::locationChangePending()
     return m_redirect && m_redirect->isLocationChange();
 }
 
+bool NavigationScheduler::isNavigationScheduled() const
+{
+    return m_redirect;
+}
+
 inline bool NavigationScheduler::shouldScheduleReload() const
 {
     return m_frame->page() && isFrameNavigationAllowed() && NavigationDisablerForBeforeUnload::isNavigationAllowed();