Removing --host-resolver-parallelism flag.

chrome/browser/io_thread.cc

Index: chrome/browser/io_thread.cc
diff --git a/chrome/browser/io_thread.cc b/chrome/browser/io_thread.cc
index ee26a075ffccc30722ee23f939f657481fbfe3d0..1233772a64d6a993bc35fd86e0036278aca642c5 100644
--- a/chrome/browser/io_thread.cc
+++ b/chrome/browser/io_thread.cc
@@ -179,20 +179,6 @@ scoped_ptr<net::HostResolver> CreateGlobalHostResolver(net::NetLog* net_log) {
 
   net::HostResolver::Options options;
 
-  // Use the concurrency override from the command-line, if any.
-  if (command_line.HasSwitch(switches::kHostResolverParallelism)) {
-    std::string s =
-        command_line.GetSwitchValueASCII(switches::kHostResolverParallelism);
-
-    // Parse the switch (it should be a positive integer formatted as decimal).
-    int n;
-    if (base::StringToInt(s, &n) && n > 0) {
-      options.max_concurrent_resolves = static_cast<size_t>(n);
-    } else {
-      LOG(ERROR) << "Invalid switch for host resolver parallelism: " << s;
-    }
-  }
-
   // Use the retry attempts override from the command-line, if any.
   if (command_line.HasSwitch(switches::kHostResolverRetryAttempts)) {
     std::string s =