Delete the ClientSocketPoolHistograms class.

net/socket/client_socket_handle.cc

 // 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.
 
 #include "net/socket/client_socket_handle.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/compiler_specific.h"
 #include "base/metrics/histogram.h"
 #include "base/logging.h"
 #include "net/base/net_errors.h"
 #include "net/socket/client_socket_pool.h"
-#include "net/socket/client_socket_pool_histograms.h"
 
 namespace net {
 
 ClientSocketHandle::ClientSocketHandle()
     : is_initialized_(false),
       pool_(NULL),
       higher_pool_(NULL),
       reuse_type_(ClientSocketHandle::UNUSED),
       callback_(base::Bind(&ClientSocketHandle::OnIOComplete,
                            base::Unretained(this))),
@@ skipping 117 matching lines @@
   HandleInitCompletion(result);
   callback.Run(result);
 }
 
 scoped_ptr<StreamSocket> ClientSocketHandle::PassSocket() {
   return socket_.Pass();
 }
 
 void ClientSocketHandle::HandleInitCompletion(int result) {
   CHECK_NE(ERR_IO_PENDING, result);
-  ClientSocketPoolHistograms* histograms = pool_->histograms();
-  histograms->AddErrorCode(result);
   if (result != OK) {
     if (!socket_.get())
       ResetInternal(false);  // Nothing to cancel since the request failed.
     else
       is_initialized_ = true;
     return;
   }
   is_initialized_ = true;
   CHECK_NE(-1, pool_id_) << "Pool should have set |pool_id_| to a valid value.";
   setup_time_ = base::TimeTicks::Now() - init_time_;
 
-  histograms->AddSocketType(reuse_type());
-  switch (reuse_type()) {
-    case ClientSocketHandle::UNUSED:
-      histograms->AddRequestTime(setup_time());
-      break;
-    case ClientSocketHandle::UNUSED_IDLE:
-      histograms->AddUnusedIdleTime(idle_time());
-      break;
-    case ClientSocketHandle::REUSED_IDLE:
-      histograms->AddReusedIdleTime(idle_time());
-      break;
-    default:
-      NOTREACHED();
-      break;
-  }
-
   // Broadcast that the socket has been acquired.
   // TODO(eroman): This logging is not complete, in particular set_socket() and
   // release() socket. It ends up working though, since those methods are being
   // used to layer sockets (and the destination sources are the same).
   DCHECK(socket_.get());
   socket_->NetLog().BeginEvent(
       NetLog::TYPE_SOCKET_IN_USE,
       requesting_source_.ToEventParametersCallback());
 }
 
 }  // namespace net