diff --git a/browser/components/downloads/DownloadsViewUI.jsm b/browser/components/downloads/DownloadsViewUI.jsm
index b6a492805..35ebf6456 100644
--- a/browser/components/downloads/DownloadsViewUI.jsm
+++ b/browser/components/downloads/DownloadsViewUI.jsm
@@ -219,7 +219,8 @@ this.DownloadsViewUI.DownloadElementShell.prototype = {
       }
 
       let referrer = this.download.source.referrer || this.download.source.url;
-      let [displayHost, fullHost] = DownloadUtils.getURIHost(referrer);
+      //let [displayHost, fullHost] = DownloadUtils.getURIHost(referrer);
+      let [displayHost, fullHost] = DownloadUtils.getURIHost(this.download.source.url);
 
       let date = new Date(this.download.endTime);
       let [displayDate, fullDate] = DownloadUtils.getReadableDates(date);
diff --git a/dom/base/nsFrameLoader.cpp b/dom/base/nsFrameLoader.cpp
index f3f85c36f..ee0e88931 100644
--- a/dom/base/nsFrameLoader.cpp
+++ b/dom/base/nsFrameLoader.cpp
@@ -2057,6 +2057,10 @@ nsFrameLoader::CheckForRecursiveLoad(nsIURI* aURI)
 nsresult
 nsFrameLoader::GetWindowDimensions(nsIntRect& aRect)
 {
+  if (!mOwnerContent) {
+    return NS_ERROR_FAILURE;
+  }
+
   // Need to get outer window position here
   nsIDocument* doc = mOwnerContent->GetComposedDoc();
   if (!doc) {
diff --git a/security/manager/ssl/nsCertTree.cpp b/security/manager/ssl/nsCertTree.cpp
index 839bddabe..5456cf454 100644
--- a/security/manager/ssl/nsCertTree.cpp
+++ b/security/manager/ssl/nsCertTree.cpp
@@ -465,17 +465,9 @@ nsCertTree::GetCertsByTypeFromCertList(CERTCertList *aCertList,
       // overrides, we are storing certs without any trust flags associated.
       // So we must check whether the cert really belongs to the 
       // server, email or unknown tab. We will lookup the cert in the override
-      // list to come to the decision. Unfortunately, the lookup in the
-      // override list is quite expensive. Therefore we are using this 
-      // lengthy if/else statement to minimize 
-      // the number of override-list-lookups.
-
-      if (aWantedType == nsIX509Cert::SERVER_CERT
-          && thisCertType == nsIX509Cert::UNKNOWN_CERT) {
-        // This unknown cert was stored without trust
-        // Are there host:port based overrides stored?
-        // If yes, display them.
-        addOverrides = true;
+      // list to come to the decision.
+      if (aWantedType == nsIX509Cert::SERVER_CERT) {
+        wantThisCertIfHaveOverrides = true;
       }
       else
       if (aWantedType == nsIX509Cert::UNKNOWN_CERT
@@ -486,27 +478,6 @@ nsCertTree::GetCertsByTypeFromCertList(CERTCertList *aCertList,
         wantThisCertIfNoOverrides = true;
       }
       else
-      if (aWantedType == nsIX509Cert::SERVER_CERT
-          && thisCertType == nsIX509Cert::SERVER_CERT) {
-        // This server cert is explicitly marked as a web site peer, 
-        // with or without trust, but editable, so show it
-        wantThisCert = true;
-        // Are there host:port based overrides stored?
-        // If yes, display them.
-        addOverrides = true;
-      }
-      else
-      if (aWantedType == nsIX509Cert::SERVER_CERT
-          && thisCertType == nsIX509Cert::EMAIL_CERT) {
-        // This cert might have been categorized as an email cert
-        // because it carries an email address. But is it really one?
-        // Our cert categorization is uncertain when it comes to
-        // distinguish between email certs and web site certs.
-        // So, let's see if we have an override for that cert
-        // and if there is, conclude it's really a web site cert.
-        addOverrides = true;
-      }
-      else
       if (aWantedType == nsIX509Cert::EMAIL_CERT
           && thisCertType == nsIX509Cert::EMAIL_CERT) {
         // This cert might have been categorized as an email cert
@@ -544,7 +515,7 @@ nsCertTree::GetCertsByTypeFromCertList(CERTCertList *aCertList,
       if (wantThisCertIfHaveOverrides) {
         if (NS_SUCCEEDED(rv) && ocount > 0) {
           // there are overrides for this cert
-          wantThisCert = true;
+          addOverrides = true;
         }
       }
     }