Update from https://crrev.com/304121

net/socket_stream/socket_stream_metrics.cc

Index: net/socket_stream/socket_stream_metrics.cc
diff --git a/net/socket_stream/socket_stream_metrics.cc b/net/socket_stream/socket_stream_metrics.cc
deleted file mode 100644
index e026887753315e8a792befbb782ac2178da5524e..0000000000000000000000000000000000000000
--- a/net/socket_stream/socket_stream_metrics.cc
+++ /dev/null
@@ -1,86 +0,0 @@
-// 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.
-
-#include "net/socket_stream/socket_stream_metrics.h"
-
-#include <string.h>
-
-#include "base/metrics/histogram.h"
-#include "base/time/time.h"
-#include "url/gurl.h"
-
-namespace net {
-
-SocketStreamMetrics::SocketStreamMetrics(const GURL& url)
-    : received_bytes_(0),
-      received_counts_(0),
-      sent_bytes_(0),
-      sent_counts_(0) {
-  ProtocolType protocol_type = PROTOCOL_UNKNOWN;
-  if (url.SchemeIs("ws"))
-    protocol_type = PROTOCOL_WEBSOCKET;
-  else if (url.SchemeIs("wss"))
-    protocol_type = PROTOCOL_WEBSOCKET_SECURE;
-
-  UMA_HISTOGRAM_ENUMERATION("Net.SocketStream.ProtocolType",
-                            protocol_type, NUM_PROTOCOL_TYPES);
-}
-
-SocketStreamMetrics::~SocketStreamMetrics() {}
-
-void SocketStreamMetrics::OnWaitConnection() {
-  wait_start_time_ = base::TimeTicks::Now();
-}
-
-void SocketStreamMetrics::OnStartConnection() {
-  connect_start_time_ = base::TimeTicks::Now();
-  if (!wait_start_time_.is_null())
-    UMA_HISTOGRAM_TIMES("Net.SocketStream.ConnectionLatency",
-                        connect_start_time_ - wait_start_time_);
-  OnCountConnectionType(ALL_CONNECTIONS);
-}
-
-void SocketStreamMetrics::OnConnected() {
-  connect_establish_time_ = base::TimeTicks::Now();
-  UMA_HISTOGRAM_TIMES("Net.SocketStream.ConnectionEstablish",
-                      connect_establish_time_ - connect_start_time_);
-}
-
-void SocketStreamMetrics::OnRead(int len) {
-  received_bytes_ += len;
-  ++received_counts_;
-}
-
-void SocketStreamMetrics::OnWrite(int len) {
-  sent_bytes_ += len;
-  ++sent_counts_;
-}
-
-void SocketStreamMetrics::OnClose() {
-  base::TimeTicks closed_time = base::TimeTicks::Now();
-  if (!connect_establish_time_.is_null()) {
-    UMA_HISTOGRAM_LONG_TIMES("Net.SocketStream.Duration",
-                             closed_time - connect_establish_time_);
-    UMA_HISTOGRAM_COUNTS("Net.SocketStream.ReceivedBytes",
-                         received_bytes_);
-    UMA_HISTOGRAM_COUNTS("Net.SocketStream.ReceivedCounts",
-                         received_counts_);
-    UMA_HISTOGRAM_COUNTS("Net.SocketStream.SentBytes",
-                         sent_bytes_);
-    UMA_HISTOGRAM_COUNTS("Net.SocketStream.SentCounts",
-                         sent_counts_);
-  }
-}
-
-void SocketStreamMetrics::OnCountConnectionType(ConnectionType type) {
-  UMA_HISTOGRAM_ENUMERATION("Net.SocketStream.ConnectionType", type,
-                            NUM_CONNECTION_TYPES);
-}
-
-void SocketStreamMetrics::OnCountWireProtocolType(WireProtocolType type) {
-  UMA_HISTOGRAM_ENUMERATION("Net.SocketStream.WireProtocolType", type,
-                            NUM_WIRE_PROTOCOL_TYPES);
-}
-
-}  // namespace net