Bug 813438 - Part 1: Implement NS_SniffContent; r=bzbarsky

netwerk/build/nsNetModule.cpp

@@ -34,6 +34,8 @@
 #include "nsDNSPrefetch.h"
 #include "nsAboutProtocolHandler.h"
 #include "nsXULAppAPI.h"
+#include "nsCategoryCache.h"
+#include "nsIContentSniffer.h"
 
 #include "nsNetCID.h"
 
@@ -45,6 +47,10 @@
 #define BUILD_BINHEX_DECODER 1
 #endif
 
+typedef nsCategoryCache<nsIContentSniffer> ContentSnifferCache;
+NS_HIDDEN_(ContentSnifferCache*) gNetSniffers = nullptr;
+NS_HIDDEN_(ContentSnifferCache*) gDataSniffers = nullptr;
+
 ///////////////////////////////////////////////////////////////////////////////
 
 #include "nsIOService.h"
@@ -643,6 +649,11 @@ static void nsNetShutdown()
     // Release the Websocket Admission Manager
     mozilla::net::WebSocketChannel::Shutdown();
 #endif // NECKO_PROTOCOL_websocket
+
+    delete gNetSniffers;
+    gNetSniffers = nullptr;
+    delete gDataSniffers;
+    gDataSniffers = nullptr;
 }
 
 NS_DEFINE_NAMED_CID(NS_IOSERVICE_CID);