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

ppapi/proxy/pdf_resource.cc

 // 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.
 
 #include "ppapi/proxy/pdf_resource.h"
 
 #include <stdlib.h>
 #include <string.h>
 
 #include "base/command_line.h"
@@ skipping 123 matching lines @@
 }
 
 void PDFResource::HasUnsupportedFeature() {
   Post(RENDERER, PpapiHostMsg_PDF_HasUnsupportedFeature());
 }
 
 void PDFResource::Print() {
   Post(RENDERER, PpapiHostMsg_PDF_Print());
 }
 
-void PDFResource::SaveAs() {
-  Post(RENDERER, PpapiHostMsg_PDF_SaveAs());
+void PDFResource::SaveAs(const PP_Var& url) {
+  printf("PDFResource::SaveAs() would send PpapiHostMsg_PDF_SaveAs()\n");
+  scoped_refptr<ppapi::StringVar> url_str(
+      ppapi::StringVar::FromPPVar(url));
+  std::string url_to_use;
+  if (url_str.get()) {
+    url_to_use = url_str->value();
+  }
+  Post(RENDERER, PpapiHostMsg_PDF_SaveAs(url_to_use));
 }
 
 PP_Bool PDFResource::IsFeatureEnabled(PP_PDFFeature feature) {
   PP_Bool result = PP_FALSE;
   switch (feature) {
     case PP_PDFFEATURE_HIDPI:
       result = PP_TRUE;
       break;
     case PP_PDFFEATURE_PRINTING:
       // TODO(raymes): Use PrintWebViewHelper::IsPrintingEnabled.
@@ skipping 43 matching lines @@
   Post(RENDERER,
        PpapiHostMsg_PDF_SetSelectedText(base::UTF8ToUTF16(selected_text)));
 }
 
 void PDFResource::SetLinkUnderCursor(const char* url) {
   Post(RENDERER, PpapiHostMsg_PDF_SetLinkUnderCursor(url));
 }
 
 }  // namespace proxy
 }  // namespace ppapi