From: Jeffrey Pfau <jpfau@apple.com>
Subject: Check for NULL pointer in FrameProgressTracker
Origin: http://trac.webkit.org/changeset/175919
Index: webkitgtk/Source/WebCore/loader/FrameLoader.cpp
===================================================================
--- webkitgtk.orig/Source/WebCore/loader/FrameLoader.cpp
+++ webkitgtk/Source/WebCore/loader/FrameLoader.cpp
@@ -189,8 +189,7 @@ public:
 
     ~FrameProgressTracker()
     {
-        ASSERT(!m_inProgress || m_frame.page());
-        if (m_inProgress)
+        if (m_inProgress && m_frame.page())
             m_frame.page()->progress().progressCompleted(m_frame);
     }
 
