Use content::Referrer to pass around referrers in the plugin code

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 "base/memory/scoped_ptr.h"
 #include "content/child/child_thread.h"
 #include "content/child/multipart_response_delegate.h"
 #include "content/child/npapi/plugin_host.h"
@@ skipping 65 matching lines @@
 };
 
 }  // namespace
 
 PluginURLFetcher::PluginURLFetcher(PluginStreamUrl* plugin_stream,
                                    const GURL& url,
                                    const GURL& first_party_for_cookies,
                                    const std::string& method,
                                    const char* buf,
                                    unsigned int len,
-                                   const GURL& referrer,
+                                   const Referrer& referrer,
                                    const std::string& range,
                                    bool notify_redirects,
                                    bool is_plugin_src_load,
                                    int origin_pid,
                                    int render_frame_id,
                                    int render_view_id,
                                    unsigned long resource_id,
                                    bool copy_stream_data)
     : plugin_stream_(plugin_stream),
       url_(url),
@@ skipping 271 matching lines @@
   }
 
   if (error_code == net::OK) {
     plugin_stream_->DidFinishLoading(resource_id_);
   } else {
     plugin_stream_->DidFail(resource_id_);
   }
 }
 
 }  // namespace content