[WORK_IN_PROGRESS] PDF::Save() fix for out-of-process-pdf.

ppapi/cpp/private/pdf.h

 // Copyright (c) 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 PPAPI_CPP_PRIVATE_PDF_H_
 #define PPAPI_CPP_PRIVATE_PDF_H_
 
 #include <string>
 
 #include "ppapi/c/private/ppb_pdf.h"
@@ skipping 31 matching lines @@
                            int* count);
   static void DidStartLoading(const InstanceHandle& instance);
   static void DidStopLoading(const InstanceHandle& instance);
   static void SetContentRestriction(const InstanceHandle& instance,
                                     int restrictions);
   static void HistogramPDFPageCount(const InstanceHandle& instance,
                                     int count);
   static void UserMetricsRecordAction(const InstanceHandle& instance,
                                       const Var& action);
   static void HasUnsupportedFeature(const InstanceHandle& instance);
-  static void SaveAs(const InstanceHandle& instance);
+  static void SaveAs(const InstanceHandle& instance, const Var& url);
   static void Print(const InstanceHandle& instance);
   static bool IsFeatureEnabled(const InstanceHandle& instance,
                                PP_PDFFeature feature);
   static ImageData GetResourceImageForScale(const InstanceHandle& instance,
                                             PP_ResourceImage image_id,
                                             float scale);
   static Var ModalPromptForPassword(const InstanceHandle& instance,
                                     Var message);
   static bool IsOutOfProcess(const InstanceHandle& instance);
   static void SetSelectedText(const InstanceHandle& instance,
                               const char* selected_text);
   static void SetLinkUnderCursor(const InstanceHandle& instance,
                                  const char* url);
 };
 
 }  // namespace pp
 
 #endif  // PPAPI_CPP_PRIVATE_PDF_H_