Use data reduction proxy when managed proxy config returns direct

chrome/browser/net/spdyproxy/data_reduction_proxy_chrome_configurator.cc

 // Copyright 2014 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/spdyproxy/data_reduction_proxy_chrome_configurator.h"
 
 #include "base/prefs/pref_service.h"
 #include "base/prefs/scoped_user_pref_update.h"
+#include "base/sequenced_task_runner.h"
 #include "base/strings/string_util.h"
 #include "chrome/browser/prefs/proxy_prefs.h"
 #include "chrome/common/pref_names.h"
+#include "net/proxy/proxy_config.h"
+#include "net/proxy/proxy_info.h"
+#include "net/proxy/proxy_service.h"
 
 DataReductionProxyChromeConfigurator::DataReductionProxyChromeConfigurator(
-    PrefService* prefs) : prefs_(prefs) {
-  DCHECK(prefs);
+    PrefService* prefs,
+    scoped_refptr<base::SequencedTaskRunner> network_task_runner)
+    : prefs_(prefs), network_task_runner_(network_task_runner) {
 }
 
 DataReductionProxyChromeConfigurator::~DataReductionProxyChromeConfigurator() {
 }
 
 void DataReductionProxyChromeConfigurator::Enable(
     bool primary_restricted,
     bool fallback_restricted,
     const std::string& primary_origin,
     const std::string& fallback_origin,
@@ skipping 27 matching lines @@
 
   std::string trimmed_ssl;
   base::TrimString(ssl_origin, "/", &trimmed_ssl);
 
   std::string server = "http=" + JoinString(proxies, ",") + ",direct://;"
       + (ssl_origin.empty() ? "" : ("https=" + trimmed_ssl + ",direct://;"));
 
   dict->SetString("server", server);
   dict->SetString("mode", ProxyModeToString(ProxyPrefs::MODE_FIXED_SERVERS));
   dict->SetString("bypass_list", JoinString(bypass_rules_, ", "));
+
+  net::ProxyConfig config;
+  config.proxy_rules().ParseFromString(server);
+  config.proxy_rules().bypass_rules.ParseFromString(
+      JoinString(bypass_rules_, ", "));
+  net::ProxyConfig::ID unused_id = 1;
+  config.set_id(unused_id);
+  network_task_runner_->PostTask(
+      FROM_HERE,
+      base::Bind(
+          &DataReductionProxyChromeConfigurator::UpdateProxyConfigOnIO,
+          base::Unretained(this),
+          config));
 }
 
 void DataReductionProxyChromeConfigurator::Disable() {
   DCHECK(prefs_);
   DictionaryPrefUpdate update(prefs_, prefs::kProxy);
   base::DictionaryValue* dict = update.Get();
   dict->SetString("mode", ProxyModeToString(ProxyPrefs::MODE_SYSTEM));
   dict->SetString("server", "");
   dict->SetString("bypass_list", "");
+  net::ProxyConfig config = net::ProxyConfig::CreateDirect();
+  network_task_runner_->PostTask(
+      FROM_HERE,
+      base::Bind(
+          &DataReductionProxyChromeConfigurator::UpdateProxyConfigOnIO,
+          base::Unretained(this),
+          config));
 }
 
 void DataReductionProxyChromeConfigurator::AddHostPatternToBypass(
     const std::string& pattern) {
   bypass_rules_.push_back(pattern);
 }
 
 void DataReductionProxyChromeConfigurator::AddURLPatternToBypass(
     const std::string& pattern) {
   size_t pos = pattern.find('/');
   if (pattern.find('/', pos + 1) == pos + 1)
     pos = pattern.find('/', pos + 2);
 
   std::string host_pattern;
   if (pos != std::string::npos)
     host_pattern = pattern.substr(0, pos);
   else
     host_pattern = pattern;
 
   AddHostPatternToBypass(host_pattern);
 }
+
+void DataReductionProxyChromeConfigurator::UpdateProxyConfigOnIO(
+    const net::ProxyConfig& config) {
+  config_ = config;
+}
+
+const net::ProxyConfig&
+DataReductionProxyChromeConfigurator::GetProxyConfigOnIO() const {
+  return config_;
+}