Plumb network stack information about existence of cached copy

content/child/npapi/plugin_url_fetcher.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 "content/child/npapi/plugin_url_fetcher.h"
 
 #include "content/child/child_thread.h"
 #include "content/child/npapi/webplugin.h"
 #include "content/child/npapi/plugin_host.h"
 #include "content/child/npapi/plugin_instance.h"
@@ skipping 291 matching lines @@
     int64 offset = data_offset_;
     data_offset_ += data_length;
     plugin_stream_->DidReceiveData(data, data_length, offset);
     // DANGER: this instance may be deleted at this point.
   }
 }
 
 void PluginURLFetcher::OnCompletedRequest(
     int error_code,
     bool was_ignored_by_handler,
+    bool stale_copy_in_cache,
     const std::string& security_info,
     const base::TimeTicks& completion_time) {
   if (multipart_delegate_) {
     multipart_delegate_->OnCompletedRequest();
     multipart_delegate_.reset();
   }
 
   if (error_code == net::OK) {
     plugin_stream_->DidFinishLoading(resource_id_);
   } else {
     plugin_stream_->DidFail(resource_id_);
   }
 }
 
 }  // namespace content