Added the ability to set the upload file path

chrome/browser/local_discovery/privet_http.h

 // Copyright 2013 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 CHROME_BROWSER_LOCAL_DISCOVERY_PRIVET_HTTP_H_
 #define CHROME_BROWSER_LOCAL_DISCOVERY_PRIVET_HTTP_H_
 
 #include <string>
 
 #include "base/callback.h"
@@ skipping 112 matching lines @@
     virtual void OnPrivetPrintingDone(
         const PrivetLocalPrintOperation* print_operation) = 0;
     virtual void OnPrivetPrintingError(
         const PrivetLocalPrintOperation* print_operation, int http_code) = 0;
   };
 
   virtual ~PrivetLocalPrintOperation() {}
 
   virtual void Start() = 0;
 
-  // Should be called ONLY after |OnPrivetPrintingRequestPDF| or
+  // One of thsese should be called ONLY after |OnPrivetPrintingRequestPDF| or
   // |OnPrivetPrintingRequestPWGRaster| are called on the delegate.  Data should
   // be in PDF or PWG format depending on what is requested by the local print
   // operation.
   virtual void SendData(const std::string& data) = 0;
+  virtual void SendDataFile(const base::FilePath& data) = 0;
 
   // Optional attributes for /submitdoc. Call before calling |Start()|
   // |ticket| should be in CJT format.
   virtual void SetTicket(const std::string& ticket) = 0;
   // Username and jobname are for display only.
   virtual void SetUsername(const std::string& username) = 0;
   virtual void SetJobname(const std::string& jobname) = 0;
   // If |offline| is true, we will indicate to the printer not to post the job
   // to Google Cloud Print.
   virtual void SetOffline(bool offline) = 0;
@@ skipping 16 matching lines @@
       PrivetCapabilitiesOperation::Delegate* delegate) = 0;
   virtual scoped_ptr<PrivetLocalPrintOperation> CreateLocalPrintOperation(
       PrivetLocalPrintOperation::Delegate* delegate) = 0;
 
   // A name for the HTTP client, e.g. the device name for the privet device.
   virtual const std::string& GetName() = 0;
 };
 
 }  // namespace local_discovery
 #endif  // CHROME_BROWSER_LOCAL_DISCOVERY_PRIVET_HTTP_H_