Add client type in chrome-proxy header for desktop.

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 14 matching lines @@
 
 namespace data_reduction_proxy {
 
 #if defined(OS_ANDROID)
 extern const char kAndroidWebViewProtocolVersion[];
 #endif
 
 extern const char kClientAndroidWebview[];
 extern const char kClientChromeAndroid[];
 extern const char kClientChromeIOS[];
+extern const char kClientMac[];

[bengr, 2014/09/23 20:18:50]

While you're here, would you please change the constructor to take an enum
instead of a string for client? These strings are implementation details that
should not be exposed to the caller.

[Not at Google. Contact bengr, 2014/09/29 23:47:18]

Done.

+extern const char kClientLinux[];
+extern const char kClientWindows[];
+extern const char kClientFreeBsd[];
+extern const char kClientOpenBsd[];
+extern const char kClientSolaris[];
+extern const char kClientQnx[];
 
 class DataReductionProxyParams;
 
 class DataReductionProxyAuthRequestHandler {
  public:
   static bool IsKeySetOnCommandLine();
 
   // Constructs a DataReductionProxyAuthRequestHandler object with the given
   // client type, params, and network task runner.
   DataReductionProxyAuthRequestHandler(
@@ skipping 103 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_