Revert 273810 "Added alternative configuration for the data redu..."

trunk/src/components/data_reduction_proxy/browser/data_reduction_proxy_params.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 COMPONENTS_DATA_REDUCTION_PROXY_BROWSER_DATA_REDUCTION_PROXY_PARAMS_H_
-#define COMPONENTS_DATA_REDUCTION_PROXY_BROWSER_DATA_REDUCTION_PROXY_PARAMS_H_
-
-#include <vector>
-
-#include "base/macros.h"
-#include "url/gurl.h"
-
-namespace data_reduction_proxy {
-
-// Provides initialization parameters. Proxy origins, the probe url, and the
-// authentication key are taken from flags if available and from preprocessor
-// constants otherwise. Only the key may be changed after construction.
-class DataReductionProxyParams {
- public:
-
-  static const unsigned int kAllowed = (1 << 0);
-  static const unsigned int kFallbackAllowed = (1 << 1);
-  static const unsigned int kAlternativeAllowed = (1 << 2);
-  static const unsigned int kPromoAllowed = (1 << 3);
-
-  typedef std::vector<GURL> DataReductionProxyList;
-
-  // Returns true if this client is part of the data reduction proxy field
-  // trial.
-  static bool IsIncludedInFieldTrial();
-
-  // Returns true if this client is part of field trial to use an alternative
-  // configuration for the data reduction proxy.
-  static bool IsIncludedInAlternativeFieldTrial();
-
-  // Returns true if this client is part of the field trial that should display
-  // a promotion for the data reduction proxy.
-  static bool IsIncludedInPromoFieldTrial();
-
-  // Returns true if this client is part of a field trial that uses preconnect
-  // hinting.
-  static bool IsIncludedInPreconnectHintingFieldTrial();
-
-  // Returns true if the authentication key was set on the command line.
-  static bool IsKeySetOnCommandLine();
-
-  // Constructs configuration parameters. If |kAllowed|, then the standard
-  // data reduction proxy configuration is allowed to be used. If
-  // |kfallbackAllowed| a fallback proxy can be used if the primary proxy is
-  // bypassed or disabled. If |kAlternativeAllowed| then an alternative proxy
-  // configuration is allowed to be used. This alternative configuration would
-  // replace the primary and fallback proxy configurations if enabled. Finally
-  // if |kPromoAllowed|, the client may show a promotion for the data
-  // reduction proxy.
-  //
-  // A standard configuration has a primary proxy, and a fallback proxy for
-  // HTTP traffic. The alternative configuration has a different primary and
-  // fallback proxy for HTTP traffic, and an SSL proxy.
-
-  DataReductionProxyParams(int flags);
-
-  virtual ~DataReductionProxyParams();
-
-  // Returns the data reduction proxy primary origin.
-  const GURL& origin() const {
-    return origin_;
-  }
-
-  // Returns the data reduction proxy fallback origin.
-  const GURL& fallback_origin() const {
-    return fallback_origin_;
-  }
-
-  // Returns the data reduction proxy ssl origin that is used with the
-  // alternative proxy configuration.
-  const GURL& ssl_origin() const {
-    return ssl_origin_;
-  }
-
-  // Returns the alternative data reduction proxy primary origin.
-  const GURL& alt_origin() const {
-    return alt_origin_;
-  }
-
-  // Returns the alternative data reduction proxy fallback origin.
-  const GURL& alt_fallback_origin() const {
-    return alt_fallback_origin_;
-  }
-
-  // Returns the URL to probe to decide if the primary origin should be used.
-  const GURL& probe_url() const {
-    return probe_url_;
-  }
-
-  // Set the proxy authentication key.
-  void set_key(const std::string& key) {
-    key_ = key;
-  }
-
-  // Returns the proxy authentication key.
-  const std::string& key() const {
-    return key_;
-  }
-
-  // Returns true if the data reduction proxy configuration may be used.
-  bool allowed() const {
-    return allowed_;
-  }
-
-  // Returns true if the fallback proxy may be used.
-  bool fallback_allowed() const {
-    return fallback_allowed_;
-  }
-
-  // Returns true if the alternative data reduction proxy configuration may be
-  // used.
-  bool alternative_allowed() const {
-    return alt_allowed_;
-  }
-
-  // Returns true if the data reduction proxy promo may be shown.
-  // This is idependent of whether the data reduction proxy is allowed.
-  // TODO(bengr): maybe tie to whether proxy is allowed.
-  bool promo_allowed() const {
-    return promo_allowed_;
-  }
-
-  // Given |allowed_|, |fallback_allowed_|, and |alt_allowed_|, returns the
-  // list of data reduction proxies that may be used.
-  DataReductionProxyList GetAllowedProxies() const;
-
- protected:
-  // Test constructor that optionally won't call Init();
-  DataReductionProxyParams(int flags,
-                           bool should_call_init);
-
-  // Initialize the values of the proxies, probe URL, and key from command
-  // line flags and preprocessor constants, and check that there are
-  // corresponding definitions for the allowed configurations.
-  bool Init(bool allowed, bool fallback_allowed, bool alt_allowed);
-
-  // Initialize the values of the proxies, probe URL, and key from command
-  // line flags and preprocessor constants.
-  void InitWithoutChecks();
-
-  // Returns the corresponding string from preprocessor constants if defined,
-  // and an empty string otherwise.
-  virtual std::string GetDefaultKey() const;
-  virtual std::string GetDefaultDevOrigin() const;
-  virtual std::string GetDefaultOrigin() const;
-  virtual std::string GetDefaultFallbackOrigin() const;
-  virtual std::string GetDefaultSSLOrigin() const;
-  virtual std::string GetDefaultAltOrigin() const;
-  virtual std::string GetDefaultAltFallbackOrigin() const;
-  virtual std::string GetDefaultProbeURL() const;
-
- private:
-  GURL origin_;
-  GURL fallback_origin_;
-  GURL ssl_origin_;
-  GURL alt_origin_;
-  GURL alt_fallback_origin_;
-  GURL probe_url_;
-
-  std::string key_;
-
-  bool allowed_;
-  const bool fallback_allowed_;
-  bool alt_allowed_;
-  const bool promo_allowed_;
-
-
-  DISALLOW_COPY_AND_ASSIGN(DataReductionProxyParams);
-};
-
-}  // namespace data_reduction_proxy
-#endif  // COMPONENTS_DATA_REDUCTION_PROXY_BROWSER_DATA_REDUCTION_PROXY_PARAMS_H_