SdchObserver: add OnDictionary{Added,Removed}

net/sdch/sdch_owner.h

 // Copyright 2014 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_SDCH_SDCH_OWNER_H_
 #define NET_SDCH_SDCH_OWNER_H_
 
 #include <map>
 #include <string>
 
@@ skipping 38 matching lines @@
   // called once per SdchOwner instance.
   void EnablePersistentStorage(PersistentPrefStore* pref_store);
 
   // Defaults to kMaxTotalDictionarySize.
   void SetMaxTotalDictionarySize(size_t max_total_dictionary_size);
 
   // Defaults to kMinSpaceForDictionaryFetch.
   void SetMinSpaceForDictionaryFetch(size_t min_space_for_dictionary_fetch);
 
   // SdchObserver implementation.
+  void OnDictionaryAdded(SdchManager* manager,
+                         const GURL& dictionary_url,
+                         const std::string& server_hash) override;
+  void OnDictionaryRemoved(SdchManager* manager,
+                           const std::string& server_hash) override;
   void OnDictionaryUsed(SdchManager* manager,
                         const std::string& server_hash) override;
   void OnGetDictionary(SdchManager* manager,
                        const GURL& request_url,
                        const GURL& dictionary_url) override;
   void OnClearDictionaries(SdchManager* manager) override;
 
   // PrefStore::Observer implementation.
   void OnPrefValueChanged(const std::string& key) override;
   void OnInitializationCompleted(bool succeeded) override;
@@ skipping 145 matching lines @@
   // Creation time for this SdchOwner object, used for reporting temporal memory
   // pressure.
   base::Time creation_time_;
 
   DISALLOW_COPY_AND_ASSIGN(SdchOwner);
 };
 
 }  // namespace net
 
 #endif  // NET_SDCH_SDCH_OWNER_H_