bug 763312 pipeline position 0 read time rescheduling fixes r=honzab

--HG--
extra : rebase_source : 553ba9fc1f64bea331c191adc096437dadebbca5

netwerk/protocol/http/nsHttpPipeline.cpp

@@ -798,6 +798,7 @@ nsHttpPipeline::Close(nsresult reason)
     if (!mResponseIsPartial &&
         (reason == NS_ERROR_NET_RESET ||
          reason == NS_OK ||
+         reason == NS_ERROR_NET_TIMEOUT ||
          reason == NS_BASE_STREAM_CLOSED)) {
         trans->Close(NS_ERROR_NET_RESET);
     }

netwerk/protocol/http/nsHttpTransaction.cpp

@@ -902,6 +902,7 @@ nsHttpTransaction::Restart()
     // reset.  this is being overly cautious since we don't know if pipelining
     // was the problem here.
     mCaps &= ~NS_HTTP_ALLOW_PIPELINING;
+    SetPipelinePosition(0);
 
     return gHttpHandler->InitiateTransaction(this, mPriority);
 }