import changes from `dev' branch of rmottola/Arctic-Fox:

- Bug 909993 - Add WebIDL for TextTrackCue and fix link in VTTCue.webidl. r=rillian r=bz (24a78498b)
- Bug 1044102 - Part 4 - update W3C web platform tests. r=smaug (1379beb25)
- Bug 1159830 - Autophone - webappstartup should not use console.log to output WEBAPP STARTUP COMPLETE. r=snorp, r=froydnj (f85a43beb)
- Bug 1152574: Fix console service discarding to run when it is actually safe to do so (off of inner-window-destroyed). Also add a backstop at xpcom-shutdown to discard any cycle collected messages before it is too late. r=froydnj (01f6f8708)
- Bug 1152574 - Do not report aborted XHR requests in web console (r=sicking) (814b8868d)
- Bug 1186589 - Ensure CORS preflight requests are never intercepted. r=sicking (f0484fbe5)
- namespace (6dc7db16d)
- namespace (585e04c34)
- Bug 1179505 - Make LoadInfo arguments optional in ipdl (r=bent,sicking) (c9d2efa2a)
- fix old misspatch (3950e6fae)
- Bug 1219027. Fix unbinding transformfeedback when deleting it. r=djg I believe this was the original intention of the code. This fixes deletion conformance tests. (3878dade7)
- Bug 1175803 - Store redirect chain within loadInfo - part 1 (r=sicking,mayhemer) (5b0ea460a)
- Bug 1143922 - Add AsyncOpen2 to nsIChannel and perform security checks when opening a channel - loadinfo changes (r=sicking,tanvi,sworkman) (46ab73d45)
- Bug 1175803 - Store redirect chain within loadInfo - part 2 (r=sicking,mayhemer) (6181a439c)
- Bug 1180964 - Provide a C++ friendly version of LoadInfo on nsIChanne version of LoadInfo on nsIChanne (563a98940)
- Bug 1175803 - Store redirect chain within loadInfo - part 3 e10s (r=mrbkap,mayhemer) (7bf552870)

netwerk/protocol/http/HttpChannelParent.cpp

@@ -275,7 +275,7 @@ HttpChannelParent::DoAsyncOpen(  const URIParams&           aURI,
                                  const bool&                allowSpdy,
                                  const bool&                allowAltSvc,
                                  const OptionalFileDescriptorSet& aFds,
-                                 const LoadInfoArgs&        aLoadInfoArgs,
+                                 const OptionalLoadInfoArgs& aLoadInfoArgs,
                                  const OptionalHttpResponseHead& aSynthesizedResponseHead,
                                  const uint32_t&            aCacheKey,
                                  const bool&                aAllowStaleCacheContent)