Remove use of stl_util's STLDeleteContainerPairSecondPointers from content/.

content/browser/renderer_host/p2p/socket_host_tcp.cc

Index: content/browser/renderer_host/p2p/socket_host_tcp.cc
diff --git a/content/browser/renderer_host/p2p/socket_host_tcp.cc b/content/browser/renderer_host/p2p/socket_host_tcp.cc
index 623086d0ba4d33755137e017154bcfe6669921db..954fb49f5e8587f24491f00d2ce10ed3bb09e0d1 100644
--- a/content/browser/renderer_host/p2p/socket_host_tcp.cc
+++ b/content/browser/renderer_host/p2p/socket_host_tcp.cc
@@ -67,14 +67,15 @@ P2PSocketHostTcpBase::~P2PSocketHostTcpBase() {
   }
 }
 
-bool P2PSocketHostTcpBase::InitAccepted(const net::IPEndPoint& remote_address,
-                                        net::StreamSocket* socket) {
-  DCHECK(socket);
+bool P2PSocketHostTcpBase::InitAccepted(
+    const net::IPEndPoint& remote_address,
+    std::unique_ptr<net::StreamSocket> socket) {
+  DCHECK(socket.get());

[Sergey Ulanov, 2016/08/15 16:54:59]

nit: don't need .get() here

[Avi (use Gerrit), 2016/08/15 18:10:29]

Done.

   DCHECK_EQ(state_, STATE_UNINITIALIZED);
 
   remote_address_.ip_address = remote_address;
   // TODO(ronghuawu): Add FakeSSLServerSocket.
-  socket_.reset(socket);
+  socket_ = std::move(socket);
   state_ = STATE_OPEN;
   DoRead();
   return state_ != STATE_ERROR;
@@ -444,8 +445,10 @@ void P2PSocketHostTcpBase::HandleWriteResult(int result) {
   }
 }
 
-P2PSocketHost* P2PSocketHostTcpBase::AcceptIncomingTcpConnection(
-    const net::IPEndPoint& remote_address, int id) {
+std::unique_ptr<P2PSocketHost>
+P2PSocketHostTcpBase::AcceptIncomingTcpConnection(
+    const net::IPEndPoint& remote_address,
+    int id) {
   NOTREACHED();
   OnError();
   return NULL;