SafeBrowsing PVer4: Send mutable response to the database and the stores

components/safe_browsing_db/v4_store.h

 // Copyright 2016 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 COMPONENTS_SAFE_BROWSING_DB_V4_STORE_H_
 #define COMPONENTS_SAFE_BROWSING_DB_V4_STORE_H_
 
 #include "base/files/file_path.h"
 #include "base/memory/ref_counted.h"
 #include "base/sequenced_task_runner.h"
@@ skipping 84 matching lines @@
   // performed on the correct thread. |store_path| specifies the location on
   // disk for this file. The constructor doesn't read the store file from disk.
   V4Store(const scoped_refptr<base::SequencedTaskRunner>& task_runner,
           const base::FilePath& store_path);
   virtual ~V4Store();
 
   const std::string& state() const { return state_; }
 
   const base::FilePath& store_path() const { return store_path_; }
 
-  void ApplyUpdate(const ListUpdateResponse&,
+  void ApplyUpdate(std::unique_ptr<ListUpdateResponse> response,
                    const scoped_refptr<base::SingleThreadTaskRunner>&,
                    UpdatedStoreReadyCallback);
 
   std::string DebugString() const;
 
   // Reads the store file from disk and populates the in-memory representation
   // of the hash prefixes.
   void Initialize();
 
   // Reset internal state and delete the backing file.
@@ skipping 10 matching lines @@
   FRIEND_TEST_ALL_PREFIXES(V4StoreTest, TestWriteNoResponseType);
   FRIEND_TEST_ALL_PREFIXES(V4StoreTest, TestWritePartialResponseType);
   FRIEND_TEST_ALL_PREFIXES(V4StoreTest, TestWriteFullResponseType);
   FRIEND_TEST_ALL_PREFIXES(V4StoreTest, TestReadFromFileWithUnknownProto);
 
   // Reads the state of the store from the file on disk and returns the reason
   // for the failure or reports success.
   StoreReadResult ReadFromDisk();
 
   // Writes the FULL_UPDATE |response| to disk as a V4StoreFileFormat proto.
-  StoreWriteResult WriteToDisk(const ListUpdateResponse& response) const;
+  StoreWriteResult WriteToDisk(
+      std::unique_ptr<ListUpdateResponse> response) const;
 
   // The state of the store as returned by the PVer4 server in the last applied
   // update response.
   std::string state_;
   const base::FilePath store_path_;
   const scoped_refptr<base::SequencedTaskRunner> task_runner_;
 };
 
 std::ostream& operator<<(std::ostream& os, const V4Store& store);
 
 }  // namespace safe_browsing
 
 #endif  // COMPONENTS_SAFE_BROWSING_DB_V4_STORE_H_