Allow ProxyService to share URLRequestContext with everything else.

net/proxy/mock_proxy_script_fetcher.h

 // Copyright (c) 2012 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_MOCK_PROXY_SCRIPT_FETCHER_H_
 #define NET_PROXY_MOCK_PROXY_SCRIPT_FETCHER_H_
 
 #include "base/compiler_specific.h"
 #include "net/proxy/proxy_script_fetcher.h"
 #include "url/gurl.h"
 
 #include <string>
 
 namespace net {
 
 class URLRequestContext;
 
 // A mock ProxyScriptFetcher. No result will be returned to the fetch client
 // until we call NotifyFetchCompletion() to set the results.
 class MockProxyScriptFetcher : public ProxyScriptFetcher {
  public:
   MockProxyScriptFetcher();
   ~MockProxyScriptFetcher() override;
 
   // ProxyScriptFetcher implementation.
   int Fetch(const GURL& url,
             base::string16* text,
             const CompletionCallback& callback) override;
   void Cancel() override;
+  void OnShutdown() override;
   URLRequestContext* GetRequestContext() const override;
 
   void NotifyFetchCompletion(int result, const std::string& ascii_text);
   const GURL& pending_request_url() const;
   bool has_pending_request() const;
 
   // Spins the message loop until this->Fetch() is invoked.
   void WaitUntilFetch();
 
  private:
   GURL pending_request_url_;
   CompletionCallback pending_request_callback_;
   base::string16* pending_request_text_;
   bool waiting_for_fetch_;
+  bool is_shutdown_;
 };
 
 }  // namespace net
 
 #endif  // NET_PROXY_MOCK_PROXY_SCRIPT_FETCHER_H_