Enable QUIC for proxies based on Finch config and command line switch.

components/data_reduction_proxy/core/common/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_CORE_BROWSER_DATA_REDUCTION_PROXY_PARAMS_H_
 #define COMPONENTS_DATA_REDUCTION_PROXY_CORE_BROWSER_DATA_REDUCTION_PROXY_PARAMS_H_
 
 #include <string>
 #include <utility>
 #include <vector>
@@ skipping 81 matching lines @@
   // response with a data reduction proxy via header has been received through
   // the proxy since the last network change, then don't bypass on missing via
   // headers in responses with non-4xx response codes.
   static bool IsIncludedInRelaxMissingViaHeaderOtherBypassFieldTrial();
 
   // Returns true if this client is part of the field trial that should display
   // a promotion for the data reduction proxy on Android One devices.
   static bool IsIncludedInAndroidOnePromoFieldTrial(
       const char* build_fingerprint);
 
+  // Returns true if this client is part of a field trial that sets the origin
+  // proxy server as quic://proxy.googlezip.net.
+  static bool IsIncludedInUseQUICFieldTrial();
+
+  static std::string GetFieldTrialName();
+
+  // Sets if QUIC is enabled for proxies. Also, may update the origin proxy

[bengr, 2015/02/11 23:57:28]

What do you mean by 'may'? Can't you just say:

// If true, uses QUIC instead of SPDY to connect to proxies that use TLS.

[tbansal1, 2015/02/12 02:27:22]

Done.

+  // server to a QUIC server.
+  void EnableQUIC(bool quic_enabled_for_proxies);
+
   // 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
@@ skipping 141 matching lines @@
 
   // Given |allowed_|, |fallback_allowed_|, and |alt_allowed_|, returns the
   // list of data reduction proxies that may be used.
   DataReductionProxyList GetAllowedProxies() const;
 
   // Returns true if any proxy origins are set on the command line.
   bool is_configured_on_command_line() const {
     return configured_on_command_line_;
   }
 
+  // Returns true if QUIC is enabled for proxies.
+  bool IsQUICEnabled() const {

[bengr, 2015/02/11 23:57:28]

IsQuicEnabled

[tbansal1, 2015/02/12 02:27:22]

Done.

+    return quic_enabled_for_proxies_;
+  }
+
  protected:
   // Test constructor that optionally won't call Init();
   DataReductionProxyParams(int flags,
                            bool should_call_init);
 
   DataReductionProxyParams(const DataReductionProxyParams& params);
 
   // Initialize the values of the proxies, and probe URL, from command
   // line flags and preprocessor constants, and check that there are
   // corresponding definitions for the allowed configurations.
@@ skipping 41 matching lines @@
   net::ProxyServer alt_fallback_origin_;
   GURL probe_url_;
   GURL warmup_url_;
 
   bool allowed_;
   bool fallback_allowed_;
   bool alt_allowed_;
   bool alt_fallback_allowed_;
   bool promo_allowed_;
   bool holdback_;
+  bool quic_enabled_for_proxies_;

[bengr, 2015/02/11 23:57:28]

quic_enabled_

[tbansal1, 2015/02/12 02:27:22]

Done.

+  std::string command_line_origin_;
 
   bool configured_on_command_line_;
 };
 
 }  // namespace data_reduction_proxy
 #endif  // COMPONENTS_DATA_REDUCTION_PROXY_CORE_BROWSER_DATA_REDUCTION_PROXY_PARAMS_H_