Remove stl_util's deletion functions from remaining quic code.

net/tools/quic/quic_in_memory_cache.h

 // Copyright (c) 2012 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_TOOLS_QUIC_QUIC_IN_MEMORY_CACHE_H_
 #define NET_TOOLS_QUIC_QUIC_IN_MEMORY_CACHE_H_
 
 #include <list>
 #include <map>
 #include <memory>
@@ skipping 177 matching lines @@
   // 'response'.
   void AddDefaultResponse(Response* response);
 
   // |cache_cirectory| can be generated using `wget -p --save-headers <url>`.
   void InitializeFromDirectory(const std::string& cache_directory);
 
   // Find all the server push resources associated with |request_url|.
   std::list<ServerPushInfo> GetServerPushResources(std::string request_url);
 
  private:
-  typedef std::unordered_map<std::string, Response*> ResponseMap;
-
   friend struct base::DefaultSingletonTraits<QuicInMemoryCache>;
   friend class test::QuicInMemoryCachePeer;
 
   QuicInMemoryCache();
   ~QuicInMemoryCache();
 
   void ResetForTests();
 
   void AddResponseImpl(base::StringPiece host,
                        base::StringPiece path,
                        SpecialResponseType response_type,
                        SpdyHeaderBlock response_headers,
                        base::StringPiece response_body,
                        SpdyHeaderBlock response_trailers);
 
   std::string GetKey(base::StringPiece host, base::StringPiece path) const;
 
   // Add some server push urls with given responses for specified
   // request if these push resources are not associated with this request yet.
   void MaybeAddServerPushResources(base::StringPiece request_host,
                                    base::StringPiece request_path,
                                    std::list<ServerPushInfo> push_resources);
 
   // Check if push resource(push_host/push_path) associated with given request
   // url already exists in server push map.
   bool PushResourceExistsInCache(std::string original_request_url,
                                  ServerPushInfo resource);
 
   // Cached responses.
-  ResponseMap responses_;
+  std::unordered_map<std::string, std::unique_ptr<Response>> responses_;
 
   // The default response for cache misses, if set.
   std::unique_ptr<Response> default_response_;
 
   // A map from request URL to associated server push responses (if any).
   std::multimap<std::string, ServerPushInfo> server_push_resources_;
 
   // Protects against concurrent access from test threads setting responses, and
   // server threads accessing those responses.
   mutable base::Lock response_mutex_;
 
   DISALLOW_COPY_AND_ASSIGN(QuicInMemoryCache);
 };
 
 }  // namespace net
 
 #endif  // NET_TOOLS_QUIC_QUIC_IN_MEMORY_CACHE_H_