Add the ability to use DataReductionProxyParams from DataReductionProxyConfigServiceClient.

components/data_reduction_proxy/core/browser/data_reduction_proxy_request_options.h

Index: components/data_reduction_proxy/core/browser/data_reduction_proxy_request_options.h
diff --git a/components/data_reduction_proxy/core/browser/data_reduction_proxy_request_options.h b/components/data_reduction_proxy/core/browser/data_reduction_proxy_request_options.h
index 5a0b3b0092e84bac90a365571bce22c0f77c841d..8d6c289ce7d9c2e9066191685d6cb392be344a06 100644
--- a/components/data_reduction_proxy/core/browser/data_reduction_proxy_request_options.h
+++ b/components/data_reduction_proxy/core/browser/data_reduction_proxy_request_options.h
@@ -125,6 +125,10 @@ class DataReductionProxyRequestOptions {
   // Virtualized for testing.
   virtual void PopulateConfigResponse(base::DictionaryValue* response) const;
 
+  // Sets the credentials for sending to the Data Reduction Proxy.
+  void SetCredentials(const std::string& session,
+                      const std::string& credentials);
+
  protected:
   void SetHeader(net::HttpRequestHeaders* headers);
 
@@ -211,6 +215,10 @@ class DataReductionProxyRequestOptions {
   // never used for more than twenty-four hours.
   base::Time credentials_expiration_time_;
 
+  // Whether the authentication headers are sourced by |this| or injected via
+  // |SetCredentials|.
+  bool use_assigned_credentials_;
+
   DataReductionProxyConfig* data_reduction_proxy_config_;
 
   scoped_refptr<base::SingleThreadTaskRunner> network_task_runner_;