Offline pages using NQE 2G Slow

chrome/browser/net/nqe/ui_network_quality_estimator_service.cc

 // Copyright 2016 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 "chrome/browser/net/nqe/ui_network_quality_estimator_service.h"
 
 #include "base/bind.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/io_thread.h"
 #include "content/public/browser/browser_thread.h"
@@ skipping 78 matching lines @@
   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
   weak_factory_.InvalidateWeakPtrs();
 }
 
 void UINetworkQualityEstimatorService::EffectiveConnectionTypeChanged(
     net::NetworkQualityEstimator::EffectiveConnectionType type) {
   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
   type_ = type;
 }
 
+void UINetworkQualityEstimatorService::SetEffectiveConnectionTypeForTesting(
+    net::NetworkQualityEstimator::EffectiveConnectionType type) {
+  DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
+  type_ = type;
+}
+
 net::NetworkQualityEstimator::EffectiveConnectionType
 UINetworkQualityEstimatorService::GetEffectiveConnectionType() const {
   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
   return type_;
 }