PDF: Set a referrer when performing a SaveAs operation.

components/pdf/renderer/pepper_pdf_host.cc

 // 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.
 
 #include "components/pdf/renderer/pepper_pdf_host.h"
 
 #include "components/pdf/common/pdf_messages.h"
 #include "content/public/common/referrer.h"
 #include "content/public/renderer/pepper_plugin_instance.h"
 #include "content/public/renderer/render_thread.h"
@@ skipping 135 matching lines @@
 }
 
 int32_t PepperPDFHost::OnHostMsgSaveAs(
     ppapi::host::HostMessageContext* context) {
   content::PepperPluginInstance* instance =
       host_->GetPluginInstance(pp_instance());
   if (!instance)
     return PP_ERROR_FAILED;
   GURL url = instance->GetPluginURL();
   content::RenderView* render_view = instance->GetRenderView();
-  blink::WebLocalFrame* frame =
-      render_view->GetWebView()->mainFrame()->toWebLocalFrame();
-  content::Referrer referrer = content::Referrer::SanitizeForRequest(
-      url, content::Referrer(frame->document().url(),
-                             frame->document().referrerPolicy()));
+  content::Referrer referrer;
+  referrer.url = url;
+  referrer.policy = blink::WebReferrerPolicyDefault;
+  referrer = content::Referrer::SanitizeForRequest(url, referrer);
   render_view->Send(
       new PDFHostMsg_PDFSaveURLAs(render_view->GetRoutingID(), url, referrer));
   return PP_OK;
 }
 
 int32_t PepperPDFHost::OnHostMsgSetSelectedText(
     ppapi::host::HostMessageContext* context,
     const base::string16& selected_text) {
   content::PepperPluginInstance* instance =
       host_->GetPluginInstance(pp_instance());
   if (!instance)
     return PP_ERROR_FAILED;
   instance->SetSelectedText(selected_text);
   return PP_OK;
 }
 
 int32_t PepperPDFHost::OnHostMsgSetLinkUnderCursor(
     ppapi::host::HostMessageContext* context,
     const std::string& url) {
   content::PepperPluginInstance* instance =
       host_->GetPluginInstance(pp_instance());
   if (!instance)
     return PP_ERROR_FAILED;
   instance->SetLinkUnderCursor(url);
   return PP_OK;
 }
 
 }  // namespace pdf