[SafeBrowsing] Conditionalize unverified download blocking on whitelist.

content/renderer/pepper/pepper_file_chooser_host.cc

 // Copyright (c) 2012 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 "content/renderer/pepper/pepper_file_chooser_host.h"
 
 #include "base/files/file_path.h"
 #include "base/strings/utf_string_conversions.h"
 #include "content/public/renderer/renderer_ppapi_host.h"
 #include "content/renderer/pepper/pepper_file_ref_renderer_host.h"
@@ skipping 131 matching lines @@
     params.multiSelect = open_multiple;
   }
   std::vector<blink::WebString> mime_types(accept_mime_types.size());
   for (size_t i = 0; i < accept_mime_types.size(); i++) {
     mime_types[i] = blink::WebString::fromUTF8(accept_mime_types[i].data(),
                                                accept_mime_types[i].size());
   }
   params.acceptTypes = mime_types;
   params.directory = false;
   params.needLocalPath = true;
+  params.requestor = renderer_ppapi_host_->GetDocumentURL(pp_instance());
 
   handler_ = new CompletionHandler(AsWeakPtr());
   RenderViewImpl* render_view = static_cast<RenderViewImpl*>(
       renderer_ppapi_host_->GetRenderViewForInstance(pp_instance()));
   if (!render_view || !render_view->runFileChooser(params, handler_)) {
     delete handler_;
     handler_ = NULL;
     return PP_ERROR_NOACCESS;
   }
 
@@ skipping 21 matching lines @@
   }
 
   reply_context_.params.set_result(PP_OK);
   host()->SendReply(reply_context_,
                     PpapiPluginMsg_FileChooser_ShowReply(chosen_files));
   reply_context_ = ppapi::host::ReplyMessageContext();
   handler_ = NULL;  // Handler deletes itself.
 }
 
 }  // namespace content