Add build and patch to Chrome-Proxy header

components/data_reduction_proxy/browser/data_reduction_proxy_auth_request_handler.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_AUTH_REQUEST_HANDLER_H_
 #define COMPONENTS_DATA_REDUCTION_PROXY_BROWSER_DATA_REDUCTION_PROXY_AUTH_REQUEST_HANDLER_H_
 
 #include "base/gtest_prod_util.h"
 #include "base/memory/ref_counted.h"
 #include "base/strings/string16.h"
@@ skipping 22 matching lines @@
 extern const char kClientChromeIOS[];
 
 class DataReductionProxyParams;
 
 class DataReductionProxyAuthRequestHandler {
  public:
   static bool IsKeySetOnCommandLine();
 
   DataReductionProxyAuthRequestHandler(
       const std::string& client,
-      const std::string& version,
+      const std::string& build_number,

[bengr, 2014/09/03 22:28:39]

Why can't this just take a version and do the splitting internally?

+      const std::string& patch_number,
       DataReductionProxyParams* params,
       scoped_refptr<base::SingleThreadTaskRunner> network_task_runner);
 
   virtual ~DataReductionProxyAuthRequestHandler();
 
   // Adds a 'Chrome-Proxy' header to |request_headers| with the data reduction
   // proxy authentication credentials. Only adds this header if the provided
   // |proxy_server| is a data reduction proxy. Must be called on the IO thread.
   void MaybeAddRequestHeader(net::URLRequest* request,
                              const net::ProxyServer& proxy_server,
@@ skipping 41 matching lines @@
   // Authentication state.
   std::string key_;
 
   // Lives on the IO thread.
   std::string session_;
   std::string credentials_;
 
   // Name of the client and version of the data reduction proxy protocol to use.
   // Both live on the IO thread.
   std::string client_;
-  std::string version_;
+  std::string build_number_;
+  std::string patch_number_;
 
   // The last time the session was updated. Used to ensure that a session is
   // never used for more than twenty-four hours.
   base::Time last_update_time_;
 
   DataReductionProxyParams* data_reduction_proxy_params_;
 
   scoped_refptr<base::SingleThreadTaskRunner> network_task_runner_;
 
   DISALLOW_COPY_AND_ASSIGN(DataReductionProxyAuthRequestHandler);
 };
 
 }  // namespace data_reduction_proxy
 #endif  // COMPONENTS_DATA_REDUCTION_PROXY_BROWSER_DATA_REDUCTION_PROXY_AUTH_REQUEST_HANDLER_H_