Bug 1134923 - Remove NS_Alloc/NS_Realloc/NS_Free. r=nfroyd

They are kept around for the sake of the standalone glue, which is used
for e.g. webapprt, which doesn't have direct access to jemalloc, and thus
still needs a wrapper to go through the xpcom function list and get to
jemalloc from there.

embedding/components/commandhandler/nsControllerCommandTable.cpp

@@ -205,7 +205,7 @@ nsControllerCommandTable::GetSupportedCommands(uint32_t* aCount,
                                                char*** aCommands)
 {
   char** commands =
-    static_cast<char **>(NS_Alloc(sizeof(char *) * mCommandsTable.Count()));
+    static_cast<char **>(moz_xmalloc(sizeof(char *) * mCommandsTable.Count()));
   *aCount = mCommandsTable.Count();
   *aCommands = commands;