Use chromium version for data reduction proxy version

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 18 matching lines @@
 #endif
 
 extern const char kClientAndroidWebview[];
 extern const char kClientChromeAndroid[];
 extern const char kClientChromeIOS[];
 
 class DataReductionProxyParams;
 
 class DataReductionProxyAuthRequestHandler {
  public:
+  // Returns the version of Chromium that is being used.
+  static std::string ChromiumVersion();
+
   static bool IsKeySetOnCommandLine();
 
   DataReductionProxyAuthRequestHandler(
       const std::string& client,
       const std::string& version,
       DataReductionProxyParams* params,
       scoped_refptr<base::SingleThreadTaskRunner> network_task_runner);
 
   virtual ~DataReductionProxyAuthRequestHandler();
 
@@ skipping 61 matching lines @@
 
   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_