Remove use of stl_util's STLDeleteContainerPairSecondPointers from content/.

content/browser/renderer_host/p2p/socket_host_tcp.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.
 
 #ifndef CONTENT_BROWSER_RENDERER_HOST_P2P_SOCKET_HOST_TCP_H_
 #define CONTENT_BROWSER_RENDERER_HOST_P2P_SOCKET_HOST_TCP_H_
 
 #include <stdint.h>
 
 #include <memory>
@@ skipping 20 matching lines @@
 
 class CONTENT_EXPORT P2PSocketHostTcpBase : public P2PSocketHost {
  public:
   P2PSocketHostTcpBase(IPC::Sender* message_sender,
                        int socket_id,
                        P2PSocketType type,
                        net::URLRequestContextGetter* url_context);
   ~P2PSocketHostTcpBase() override;
 
   bool InitAccepted(const net::IPEndPoint& remote_address,
-                    net::StreamSocket* socket);
+                    std::unique_ptr<net::StreamSocket> socket);
 
   // P2PSocketHost overrides.
   bool Init(const net::IPEndPoint& local_address,
             uint16_t min_port,
             uint16_t max_port,
             const P2PHostAndIPEndPoint& remote_address) override;
   void Send(const net::IPEndPoint& to,
             const std::vector<char>& data,
             const rtc::PacketOptions& options,
             uint64_t packet_id) override;
-  P2PSocketHost* AcceptIncomingTcpConnection(
+  std::unique_ptr<P2PSocketHost> AcceptIncomingTcpConnection(
       const net::IPEndPoint& remote_address,
       int id) override;
   bool SetOption(P2PSocketOption option, int value) override;
 
  protected:
   // Derived classes will provide the implementation.
   virtual int ProcessInput(char* input, int input_len) = 0;
   virtual void DoSend(const net::IPEndPoint& to,
                       const std::vector<char>& data,
                       const rtc::PacketOptions& options) = 0;
@@ skipping 81 matching lines @@
  private:
   int GetExpectedPacketSize(const char* data, int len, int* pad_bytes);
 
   DISALLOW_COPY_AND_ASSIGN(P2PSocketHostStunTcp);
 };
 
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_P2P_SOCKET_HOST_TCP_H_