Add a force pipelining option to load flags.

net/http/http_pipelined_host_test_util.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/http/http_pipelined_host_test_util.h"
+
+#include "net/base/ssl_config_service.h"
+#include "net/proxy/proxy_info.h"
+
+namespace net {
+
+MockHostDelegate::MockHostDelegate() {
+}
+
+MockHostDelegate::~MockHostDelegate() {
+}
+
+MockPipelineFactory::MockPipelineFactory() {
+}
+
+MockPipelineFactory::~MockPipelineFactory() {
+}
+
+MockPipeline::MockPipeline(int depth, bool usable, bool active)
+    : depth_(depth),
+      usable_(usable),
+      active_(active) {
+}
+
+MockPipeline::~MockPipeline() {
+}
+
+}  // namespace net