Recover from bad proxy settings pointing to non-proxy servers that reply anyway.

content/common/net/url_fetcher.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.
 
 // This file contains URLFetcher, a wrapper around net::URLRequest that handles
 // low-level details like thread safety, ref counting, and incremental buffer
 // reading.  This is useful for callers who simply want to get the data from a
 // URL and don't care about all the nitty-gritty details.
 //
 // NOTE(willchan): Only one "IO" thread is supported for URLFetcher.  This is a
@@ skipping 265 matching lines @@
     STRING,  // Default: In a std::string
     TEMP_FILE  // Write to a temp file
   };
 
   // Returns the delegate.
   Delegate* delegate() const;
 
   // Used by tests.
   const std::string& upload_data() const;
 
+  // Used by tests.
+  void set_was_fetched_via_proxy(bool flag);
+
+  // Used by tests.
+  void set_response_headers(scoped_refptr<net::HttpResponseHeaders> headers);
+
   virtual void SetResponseDestinationForTesting(ResponseDestinationType);
   virtual ResponseDestinationType GetResponseDestinationForTesting() const;
 
  private:
   friend class ScopedURLFetcherFactory;
   friend class TestURLFetcher;
   friend class URLFetcherTest;
 
   // Only used by URLFetcherTest, returns the number of URLFetcher::Core objects
   // actively running.
@@ skipping 17 matching lines @@
 
   // Back-off time delay. 0 by default.
   base::TimeDelta backoff_delay_;
 
   static bool g_interception_enabled;
 
   DISALLOW_COPY_AND_ASSIGN(URLFetcher);
 };
 
 #endif  // CONTENT_COMMON_NET_URL_FETCHER_H_