Fetch SDCH dictionary as soon as current URL fetch completes...

net/base/sdch_manager.h

 // Copyright (c) 2006-2008 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 225 matching lines @@
 
   // Unit test only: Indicate what current blacklist increment is for a domain.
   static int BlacklistDomainExponential(std::string domain);
 
   // Check to see if SDCH is enabled (globally), and the given URL is in a
   // supported domain (i.e., not blacklisted, and either the specific supported
   // domain, or all domains were assumed supported).  If it is blacklist, reduce
   // by 1 the number of times it will be reported as blacklisted.
   const bool IsInSupportedDomain(const GURL& url);
 
-  // Schedule the URL fetching to load a dictionary. This will generally return
-  // long before the dictionary is actually loaded and added.
+  // Schedule the URL fetching to load a dictionary. This will always return
+  // before the dictionary is actually loaded and added.
   // After the implied task does completes, the dictionary will have been
   // cached in memory.
-  void FetchDictionary(const GURL& referring_url, const GURL& dictionary_url);
+  void FetchDictionary(const GURL& dictionary_url);
 
-  // Security test function used before initiating a fetch.
+  // Security test function used before initiating a FetchDictionary.
   // Return true if fetch is legal.
   bool CanFetchDictionary(const GURL& referring_url,
                           const GURL& dictionary_url) const;
 
   // Add an SDCH dictionary to our list of availible dictionaries. This addition
   // will fail (return false) if addition is illegal (data in the dictionary is
   // not acceptable from the dictionary_url; dictionary already added, etc.).
   bool AddSdchDictionary(const std::string& dictionary_text,
                          const GURL& dictionary_url);
 
@@ skipping 49 matching lines @@
   DomainCounter blacklisted_domains_;
 
   // Support exponential backoff in number of domain accesses before
   // blacklisting expires.
   DomainCounter exponential_blacklist_count;
 
   DISALLOW_COPY_AND_ASSIGN(SdchManager);
 };
 
 #endif  // NET_BASE_SDCH_MANAGER_H_