124014 r=bzbarsky sr=darin URL handled by helper app never marked visited

uriloader/exthandler/Makefile.in

@@ -62,6 +62,7 @@ REQUIRES	= xpcom \
 		  intl \
 		  uconv \
 		  windowwatcher \
+		  appcomps \
 		  $(NULL)
 
 ifneq (,$(filter mac cocoa,$(MOZ_WIDGET_TOOLKIT)))

uriloader/exthandler/nsExternalHelperAppService.cpp

@@ -85,6 +85,8 @@
 
 #include "nsIPrefService.h"
 
+#include "nsIGlobalHistory.h"
+
 #include "nsCRT.h"
 #include "plstr.h"
 
@@ -1402,6 +1404,15 @@ NS_IMETHODIMP nsExternalAppHandler::OnStartRequest(nsIRequest *request, nsISuppo
     }
   }
 
+  // Now let's mark the downloaded URL as visited
+  nsCOMPtr<nsIGlobalHistory> history(do_GetService(NS_GLOBALHISTORY_CONTRACTID));
+  nsCAutoString spec;
+  mSourceUrl->GetSpec(spec);
+  if (history && !spec.IsEmpty())
+  {
+    history->AddPage(spec.get());
+  }
+
   return NS_OK;
 }