Remove HTTP pipelining support.

chrome/browser/metrics/metrics_service.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.
 
 //------------------------------------------------------------------------------
 // Description of the life cycle of a instance of MetricsService.
 //
 //  OVERVIEW
 //
 // A MetricsService instance is typically created at application startup.  It is
@@ skipping 173 matching lines @@
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/io_thread.h"
 #include "chrome/browser/memory_details.h"
 #include "chrome/browser/metrics/compression_utils.h"
 #include "chrome/browser/metrics/metrics_log.h"
 #include "chrome/browser/metrics/metrics_state_manager.h"
 #include "chrome/browser/metrics/omnibox_metrics_provider.h"
 #include "chrome/browser/metrics/time_ticks_experiment_win.h"
 #include "chrome/browser/metrics/tracking_synchronizer.h"
-#include "chrome/browser/net/http_pipelining_compatibility_client.h"
 #include "chrome/browser/net/network_stats.h"
 #include "chrome/browser/ui/browser_otr_state.h"
 #include "chrome/common/chrome_constants.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/crash_keys.h"
 #include "chrome/common/metrics/variations/variations_util.h"
 #include "chrome/common/net/test_server_locations.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/common/render_messages.h"
 #include "components/metrics/metrics_log_manager.h"
@@ skipping 613 matching lines @@
 // private methods
 //------------------------------------------------------------------------------
 
 
 //------------------------------------------------------------------------------
 // Initialization methods
 
 void MetricsService::InitializeMetricsState() {
 #if defined(OS_POSIX)
   network_stats_server_ = chrome_common_net::kEchoTestServerLocation;
-  http_pipelining_test_server_ = chrome_common_net::kPipelineTestServerBaseUrl;
 #else
   BrowserDistribution* dist = BrowserDistribution::GetDistribution();
   network_stats_server_ = dist->GetNetworkStatsServer();
-  http_pipelining_test_server_ = dist->GetHttpPipeliningTestServer();
 #endif
 
   PrefService* pref = g_browser_process->local_state();
   DCHECK(pref);
 
   pref->SetString(prefs::kStabilityStatsVersion,
                   MetricsLog::GetVersionString());
   pref->SetInt64(prefs::kStabilityStatsBuildTime, MetricsLog::GetBuildTime());
 
   session_id_ = pref->GetInteger(prefs::kMetricsSessionID);
@@ skipping 793 matching lines @@
   // two as a single unit of work as far as the scheduler is concerned).
   if (state_ != SENDING_INITIAL_METRICS_LOG) {
     scheduler_->UploadFinished(server_is_healthy,
                                log_manager_.has_unsent_logs());
   }
 
   // Collect network stats if UMA upload succeeded.
   IOThread* io_thread = g_browser_process->io_thread();
   if (server_is_healthy && io_thread) {
     chrome_browser_net::CollectNetworkStats(network_stats_server_, io_thread);
-    chrome_browser_net::CollectPipeliningCapabilityStatsOnUIThread(
-        http_pipelining_test_server_, io_thread);
 #if defined(OS_WIN)
     chrome::CollectTimeTicksStats();
 #endif
   }
 }
 
 void MetricsService::IncrementPrefValue(const char* path) {
   PrefService* pref = g_browser_process->local_state();
   DCHECK(pref);
   int value = pref->GetInteger(path);
@@ skipping 314 matching lines @@
   if (metrics_service)
     metrics_service->AddObserver(observer);
 }
 
 void MetricsServiceHelper::RemoveMetricsServiceObserver(
     MetricsServiceObserver* observer) {
   MetricsService* metrics_service = g_browser_process->metrics_service();
   if (metrics_service)
     metrics_service->RemoveObserver(observer);
 }