Simple fallback implementation.

chrome/browser/net/spdyproxy/data_reduction_proxy_settings.h

 // Copyright 2013 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 CHROME_BROWSER_NET_SPDYPROXY_DATA_REDUCTION_PROXY_SETTINGS_H_
 #define CHROME_BROWSER_NET_SPDYPROXY_DATA_REDUCTION_PROXY_SETTINGS_H_
 
 #include <vector>
 
 #include "base/basictypes.h"
@@ skipping 57 matching lines @@
 
   // Returns true if a screen promoting the data reduction proxy is allowed to
   // be shown. Logic that decides when to show the promo should check its
   // availability. This would return false if not part of a separate field
   // trial that governs the use of the promotion.
   bool IsDataReductionProxyPromoAllowed();
 
   // Returns the URL of the data reduction proxy.
   std::string GetDataReductionProxyOrigin();
 
+  // Returns the URL of the fallback data reduction proxy.
+  std::string GetDataReductionProxyFallback();
+
   // Returns a configuration string for the proxy.
   std::string GetDataReductionProxyAuth();
 
   // Returns true if the proxy is enabled.
   bool IsDataReductionProxyEnabled();
 
   // Returns true if the proxy is managed by an adminstrator's policy.
   bool IsDataReductionProxyManaged();
 
   // Enables or disables the data reduction proxy. If a probe URL is available,
@@ skipping 18 matching lines @@
   virtual void OnURLFetchComplete(const net::URLFetcher* source) OVERRIDE;
 
  protected:
   void InitPrefMembers();
   virtual net::URLFetcher* GetURLFetcher();
 
   // Virtualized for unit test support.
   virtual PrefService* GetOriginalProfilePrefs();
   virtual PrefService* GetLocalStatePrefs();
 
-  std::string GetDataReductionProxyOriginHostPort();
-
   bool IsProxyOriginSetOnCommandLine();
   void GetContentLengths(unsigned int days,
                          int64* original_content_length,
                          int64* received_content_length,
                          int64* last_update_time);
   ContentLengthList GetDailyContentLengths(const char* pref_name);
 
   // Sets the proxy configs, enabling or disabling the proxy according to
   // the value of |enabled|. |at_startup| is true when this method is called
   // from InitDataReductionProxySettings.
@@ skipping 70 matching lines @@
   bool disabled_by_carrier_;
   bool enabled_by_user_;
 
   scoped_ptr<net::URLFetcher> fetcher_;
   BooleanPrefMember spdy_proxy_auth_enabled_;
 
   DISALLOW_COPY_AND_ASSIGN(DataReductionProxySettings);
 };
 
 #endif  // CHROME_BROWSER_NET_SPDYPROXY_DATA_REDUCTION_PROXY_SETTINGS_H_