Make sure the key into the spdy session pool identifies the actual proxy used...

net/proxy/proxy_service.h

 // Copyright (c) 2010 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_PROXY_PROXY_SERVICE_H_
 #define NET_PROXY_PROXY_SERVICE_H_
 #pragma once
 
 #include <vector>
 
@@ skipping 160 matching lines @@
       URLRequestContext* url_request_context,
       NetLog* net_log,
       MessageLoop* io_loop);
 
   // Convenience method that creates a proxy service using the
   // specified fixed settings. |pc| must not be NULL.
   static ProxyService* CreateFixed(const ProxyConfig& pc);
 
   // Creates a proxy service that always fails to fetch the proxy configuration,
   // so it falls back to direct connect.
+  // TODO(eroman): Rename to CreateDirect().
   static ProxyService* CreateNull();
 
+  // This method is used by tests to create a ProxyService that returns a
+  // hardcoded proxy fallback list (|pac_string|) for every URL.
+  //
+  // |pac_string| is a list of proxy servers, in the format that a PAC script
+  // would return it. For example, "PROXY foobar:99; SOCKS fml:2; DIRECT"
+  static ProxyService* CreateFixedFromPacResult(const std::string& pac_string);
+
   // Creates a config service appropriate for this platform that fetches the
   // system proxy settings.
   static ProxyConfigService* CreateSystemProxyConfigService(
       MessageLoop* io_loop, MessageLoop* file_loop);
 
  private:
   friend class base::RefCountedThreadSafe<ProxyService>;
   FRIEND_TEST_ALL_PREFIXES(ProxyServiceTest, UpdateConfigAfterFailedAutodetect);
   FRIEND_TEST_ALL_PREFIXES(ProxyServiceTest, UpdateConfigFromPACToDirect);
   friend class PacRequest;
@@ skipping 133 matching lines @@
 
   base::WaitableEvent event_;
   CompletionCallbackImpl<SyncProxyServiceHelper> callback_;
   ProxyInfo proxy_info_;
   int result_;
 };
 
 }  // namespace net
 
 #endif  // NET_PROXY_PROXY_SERVICE_H_