Correcting the version field in the Chrome-Proxy header to be the chromium build and patch number.

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"
 #include "base/time/time.h"
 #include "url/gurl.h"
 
 namespace net {
 class HttpRequestHeaders;
 class HttpResponseHeaders;
 class ProxyServer;
 class URLRequest;
 }
 
 namespace data_reduction_proxy {
 
-extern const char kProtocolVersion[];
+extern const char kAndroidWebViewProtocolVersion[];
 
 extern const char kClientAndroidWebview[];
 extern const char kClientChromeAndroid[];
 extern const char kClientChromeIOS[];
 
 class DataReductionProxyParams;
 
 class DataReductionProxyAuthRequestHandler {
  public:
   static bool IsKeySetOnCommandLine();
 
-  // Constructs an authentication request handler.
-  explicit DataReductionProxyAuthRequestHandler(
+  // Constructs an authentication request handler. Client is the canonical name
+  // for the client. Client names should be defined in this file as one of
+  // |kClient...|. Version is the authentication protocol version that the
+  // client uses, which should be |kProtocolVersion| unless the client expects
+  // to be handled differently from the standard behavior.
+  DataReductionProxyAuthRequestHandler(
+      const std::string& client,
+      const std::string& version,
       DataReductionProxyParams* params);
 
   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.
   void MaybeAddRequestHeader(net::URLRequest* request,
                              const net::ProxyServer& proxy_server,
                              net::HttpRequestHeaders* request_headers);
 
   // Sets a new authentication key. This must be called for platforms that do
   // not have a default key defined. See the constructor implementation for
-  // those platforms. Client is the canonical name for the client. Client names
-  // should be defined in this file as one of |kClient...|. Version is the
-  // authentication protocol version that the client uses, which should be
-  // |kProtocolVersion| unless the client expects to be handled differently from
-  // the standard behavior.
-  void SetKey(const std::string& key,
-              const std::string& client,
-              const std::string& version);
+  // those platforms.
+  void SetKey(const std::string& key);
 
  protected:
   void Init();
   void InitAuthentication(const std::string& key);
 
   void AddAuthorizationHeader(net::HttpRequestHeaders* headers);
 
   // Returns a UTF16 string that's the hash of the configured authentication
   // |key| and |salt|. Returns an empty UTF16 string if no key is configured or
   // the data reduction proxy feature isn't available.
@@ skipping 21 matching lines @@
   std::string client_;
   std::string version_;
 
   DataReductionProxyParams* data_reduction_proxy_params_;
 
   DISALLOW_COPY_AND_ASSIGN(DataReductionProxyAuthRequestHandler);
 };
 
 }  // namespace data_reduction_proxy
 #endif  // COMPONENTS_DATA_REDUCTION_PROXY_BROWSER_DATA_REDUCTION_PROXY_AUTH_REQUEST_HANDLER_H_