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 kClientAndroidWebview[];
 extern const char kClientChromeAndroid[];
 extern const char kClientChromeIOS[];
 
 class DataReductionProxyParams;
 
 class DataReductionProxyAuthRequestHandler {
  public:
   static bool IsKeySetOnCommandLine();
 
   // Constructs an authentication request handler.
   explicit DataReductionProxyAuthRequestHandler(
-      DataReductionProxyParams* params);
+      DataReductionProxyParams* params, std::string version);

[bengr, 2014/07/30 00:16:47]

This should be const std::string& version and on its own line.

[megjablon, 2014/07/30 20:37:17]

Done.

 
   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);
 
@@ skipping 41 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_