Make Data Reduction Proxy a best effort proxy

chrome/browser/net/spdyproxy/data_reduction_proxy_chrome_configurator.h

-// 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.
-
-#ifndef CHROME_BROWSER_NET_SPDYPROXY_DATA_REDUCTION_PROXY_CHROME_CONFIGURATOR_H_
-#define CHROME_BROWSER_NET_SPDYPROXY_DATA_REDUCTION_PROXY_CHROME_CONFIGURATOR_H_
-
-#include <string>
-#include <vector>
-
-#include "base/gtest_prod_util.h"
-#include "base/task_runner.h"
-#include "components/data_reduction_proxy/core/browser/data_reduction_proxy_configurator.h"
-#include "net/proxy/proxy_config.h"
-
-namespace base {
-class SequencedTaskRunner;
-}
-
-namespace data_reduction_proxy {
-class DataReductionProxyEventStore;
-}
-
-namespace net {
-class NetLog;
-class ProxyInfo;
-class ProxyService;
-}
-
-class PrefService;
-
-class DataReductionProxyChromeConfigurator
-    : public data_reduction_proxy::DataReductionProxyConfigurator {
- public:
-  explicit DataReductionProxyChromeConfigurator(
-      PrefService* prefs,
-      scoped_refptr<base::SequencedTaskRunner> network_task_runner,
-      net::NetLog* net_log,
-      data_reduction_proxy::DataReductionProxyEventStore* event_store);
-      ~DataReductionProxyChromeConfigurator() override;
-
-  // Removes the data reduction proxy configuration from the proxy preference.
-  // This disables use of the data reduction proxy. This method is public to
-  // disable the proxy on incognito. Disable() should be used otherwise.
-  static void DisableInProxyConfigPref(PrefService* prefs);
-
-  void Enable(bool primary_restricted,
-              bool fallback_restricted,
-              const std::string& primary_origin,
-              const std::string& fallback_origin,
-              const std::string& ssl_origin) override;
-  void Disable() override;
-
-  // Add a host pattern to bypass. This should follow the same syntax used
-  // in net::ProxyBypassRules; that is, a hostname pattern, a hostname suffix
-  // pattern, an IP literal, a CIDR block, or the magic string '<local>'.
-  // Bypass settings persist for the life of this object and are applied
-  // each time the proxy is enabled, but are not updated while it is enabled.
-  void AddHostPatternToBypass(const std::string& pattern) override;
-
-  // Add a URL pattern to bypass the proxy. The base implementation strips
-  // everything in |pattern| after the first single slash and then treats it
-  // as a hostname pattern. Subclasses may implement other semantics.
-  void AddURLPatternToBypass(const std::string& pattern) override;
-
-  // Updates the config for use on the IO thread.
-  void UpdateProxyConfigOnIOThread(const net::ProxyConfig& config);
-
-  // Returns the current data reduction proxy config, even if it is not the
-  // effective configuration used by the proxy service.
-  const net::ProxyConfig& GetProxyConfigOnIOThread() const;
-
- private:
-  FRIEND_TEST_ALL_PREFIXES(DataReductionProxyConfigTest, TestBypassList);
-
-  // Check whether the |proxy_rules| contain any of the data reduction proxies.
-  static bool ContainsDataReductionProxy(
-      const net::ProxyConfig::ProxyRules& proxy_rules);
-
-  PrefService* prefs_;
-  scoped_refptr<base::SequencedTaskRunner> network_task_runner_;
-
-  std::vector<std::string> bypass_rules_;
-  net::ProxyConfig config_;
-  net::NetLog* net_log_;
-  data_reduction_proxy::DataReductionProxyEventStore*
-      data_reduction_proxy_event_store_;
-
-  DISALLOW_COPY_AND_ASSIGN(DataReductionProxyChromeConfigurator);
-};
-
-#endif  // CHROME_BROWSER_NET_SPDYPROXY_DATA_REDUCTION_PROXY_CHROME_CONFIGURATOR_H_