Improve testing for SDCH.

net/base/sdch_manager.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.
 
 // Provides global database of differential decompression dictionaries for the
 // SDCH filter (processes sdch enconded content).
 
 // Exactly one instance of SdchManager is built, and all references are made
 // into that collection.
 //
@@ skipping 228 matching lines @@
   SdchManager();
   ~SdchManager();
 
   // Clear data (for browser data removal).
   void ClearData();
 
   // Record stats on various errors.
   static void SdchErrorRecovery(ProblemCodes problem);
 
   // Register a fetcher that this class can use to obtain dictionaries.
-  void set_sdch_fetcher(SdchFetcher* fetcher);
+  void set_sdch_fetcher(scoped_ptr<SdchFetcher> fetcher);
 
   // Enables or disables SDCH compression.
   static void EnableSdchSupport(bool enabled);
 
   static bool sdch_enabled() { return g_sdch_enabled_; }
 
   // Enables or disables SDCH compression over secure connection.
   static void EnableSecureSchemeSupport(bool enabled);
 
   static bool secure_scheme_supported() { return g_secure_scheme_supported_; }
@@ skipping 69 matching lines @@
                            std::string* client_hash, std::string* server_hash);
 
   // For Latency testing only, we need to know if we've succeeded in doing a
   // round trip before starting our comparative tests.  If ever we encounter
   // problems with SDCH, we opt-out of the test unless/until we perform a
   // complete SDCH decoding.
   bool AllowLatencyExperiment(const GURL& url) const;
 
   void SetAllowLatencyExperiment(const GURL& url, bool enable);
 
+  int GetFetchesCountForTesting() const {
+    return fetches_count_for_testing_;
+  }
+
  private:
   struct BlacklistInfo {
     BlacklistInfo()
         : count(0),
           exponential_count(0),
           reason(MIN_PROBLEM_CODE) {}
 
     int count;                   // # of times to refuse SDCH advertisement.
     int exponential_count;       // Current exponential backoff ratchet.
     ProblemCodes reason;         // Why domain was blacklisted.
@@ skipping 20 matching lines @@
   // An instance that can fetch a dictionary given a URL.
   scoped_ptr<SdchFetcher> fetcher_;
 
   // List domains where decode failures have required disabling sdch.
   DomainBlacklistInfo blacklisted_domains_;
 
   // List of hostnames for which a latency experiment is allowed (because a
   // round trip test has recently passed).
   ExperimentSet allow_latency_experiment_;
 
+  int fetches_count_for_testing_;
+
   DISALLOW_COPY_AND_ASSIGN(SdchManager);
 };
 
 }  // namespace net
 
 #endif  // NET_BASE_SDCH_MANAGER_H_