No longer preconnect to unsafe ports.

net/http/http_stream_factory_impl_job.h

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef NET_HTTP_HTTP_STREAM_FACTORY_IMPL_JOB_H_
 #define NET_HTTP_HTTP_STREAM_FACTORY_IMPL_JOB_H_
 
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
@@ skipping 62 matching lines @@
   const ProxyInfo& proxy_info() const;
 
   // Indicates whether or not this job is performing a preconnect.
   bool IsPreconnecting() const;
 
   // Indicates whether or not this Job has been orphaned by a Request.
   bool IsOrphaned() const;
 
  private:
   enum State {
+    STATE_START,
     STATE_RESOLVE_PROXY,
     STATE_RESOLVE_PROXY_COMPLETE,
 
     // Note that when Alternate-Protocol says we can connect to an alternate
     // port using a different protocol, we have the choice of communicating over
     // the original protocol, or speaking the alternate protocol (currently,
     // only npn-spdy) over an alternate port. For a cold page load, the http
     // connection that delivers the http response that has the
     // Alternate-Protocol header will already be warm. So, blocking the next
     // http request on establishing a new npn-spdy connection would incur extra
@@ skipping 34 matching lines @@
 
   void OnIOComplete(int result);
   int RunLoop(int result);
   int DoLoop(int result);
   int StartInternal();
 
   // Each of these methods corresponds to a State value.  Those with an input
   // argument receive the result from the previous state.  If a method returns
   // ERR_IO_PENDING, then the result from OnIOComplete will be passed to the
   // next state method as the result arg.
+  int DoStart();
   int DoResolveProxy();
   int DoResolveProxyComplete(int result);
   int DoWaitForJob();
   int DoWaitForJobComplete(int result);
   int DoInitConnection();
   int DoInitConnectionComplete(int result);
   int DoWaitingUserAction(int result);
   int DoCreateStream();
   int DoCreateStreamComplete(int result);
   int DoRestartTunnelAuth();
@@ skipping 128 matching lines @@
   bool existing_available_pipeline_;
 
   base::WeakPtrFactory<Job> ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(Job);
 };
 
 }  // namespace net
 
 #endif  // NET_HTTP_HTTP_STREAM_FACTORY_IMPL_JOB_H_