Backed out changeset 8b4e4083639e (bug 1171931) for B2G debug emulator bustage.

parser/html/nsHtml5StreamParser.cpp

@@ -947,7 +947,7 @@ nsHtml5StreamParser::OnStartRequest(nsIRequest* aRequest, nsISupports* aContext)
   if (NS_FAILED(rv)) {
     // for now skip warning if we're on child process, since we don't support
     // off-main thread delivery there yet.  This will change with bug 1015466
-    if (!XRE_IsContentProcess()) {
+    if (XRE_GetProcessType() != GeckoProcessType_Content) {
       NS_WARNING("Failed to retarget HTML data delivery to the parser thread.");
     }
   }