Bug #44176 --> in order to have a progress dialog for helper apps, we reset the notifications. http

wasn't regenerating the proxied notifciation calls.
r=gagan

netwerk/protocol/http/src/nsHTTPChannel.cpp

@@ -103,7 +103,6 @@ nsHTTPChannel::nsHTTPChannel(nsIURI* i_URL, nsHTTPHandler* i_Handler):
     mPipeliningAllowed (PR_TRUE),
     mPipelinedRequest (nsnull),
     mApplyConversion(PR_TRUE),
-    mNotificationProxiesBuilt (PR_FALSE),
     mOpenInputStreamHasEventQueue (PR_TRUE)
 {
     NS_INIT_REFCNT();
@@ -614,11 +613,6 @@ nsHTTPChannel::BuildNotificationProxies ()
 {
     nsresult rv = NS_OK;
 
-    if (mNotificationProxiesBuilt)
-        return rv;
-
-    mNotificationProxiesBuilt = PR_TRUE;
-
     NS_WITH_SERVICE(nsIEventQueueService, eventQService, kEventQueueServiceCID, &rv); 
     
     if (NS_FAILED(rv))

netwerk/protocol/http/src/nsHTTPChannel.h

@@ -201,7 +201,6 @@ protected:
     // Stream as file
     nsCOMPtr<nsISupportsArray>						mStreamAsFileObserverArray;
     PRBool                              mApplyConversion;
-    PRBool                              mNotificationProxiesBuilt;
     PRBool                              mOpenInputStreamHasEventQueue;
 };