Fixing bug 227257, top ten list should exclude the bookmarks manager page (about:bookmarks) and histroy (about:history). Patch by froodian <stridey@gmail.com>, r=smorgan, sr=pink.

camino/src/bookmarks/KindaSmartFolderManager.mm

@@ -147,7 +147,6 @@ const unsigned kNumTop10Items = 10;   // well, 10, duh!
 
 //  NSLog(@"checkForNewTop10 %@ (%d items)", aBookmark, [top10ItemsArray count]);
 
-  // if it's already in the list
   unsigned curIndex   = [top10ItemsArray indexOfObjectIdenticalTo:aBookmark];
   unsigned visitCount = [aBookmark numberOfVisits];
 
@@ -179,12 +178,18 @@ const unsigned kNumTop10Items = 10;   // well, 10, duh!
   }
   else if (visitCount >= currentMinVisits)
   {
+    // If bookmark is an about:URI, ignore it
+    NSString* newItemURL = [aBookmark url];
+    NSRange firstColon = [newItemURL rangeOfString:@":"];
+    // If there's a colon in the URI and everything up to it is "about", return
+    if((firstColon.location != NSNotFound) && [[newItemURL substringToIndex:firstColon.location] isEqual:@"about"])
+      return;
+
     // enter it into the list using insertion sort. it will go before other items with the same visit
     // count (thus maintaining the visit count/last visit sort).
     unsigned numItems = [top10ItemsArray count];
     int insertionIndex = -1;
 
-    NSString* newItemURL = [aBookmark url];
     NSNumber* reverseSort = [NSNumber numberWithBool:YES];
 
     // we check the entire list to look for items with a duplicate url