Fix WebRequest's EventListener::operator<

extensions/browser/api/web_request/web_request_api.h

 // 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.
 
 #ifndef EXTENSIONS_BROWSER_API_WEB_REQUEST_WEB_REQUEST_API_H_
 #define EXTENSIONS_BROWSER_API_WEB_REQUEST_WEB_REQUEST_API_H_
 
 #include <stdint.h>
 
 #include <list>
@@ skipping 256 matching lines @@
                         const std::string& extension_name,
                         events::HistogramValue histogram_value,
                         const std::string& event_name,
                         const std::string& sub_event_name,
                         const RequestFilter& filter,
                         int extra_info_spec,
                         int embedder_process_id,
                         int web_view_instance_id,
                         base::WeakPtr<IPC::Sender> ipc_sender);
 
+  // Get the number of listeners - for testing only.
+  int GetListenerCount(void* browser_context, const std::string& event_name);

[Ken Rockot(use gerrit already), 2016/07/08 15:53:33]

nit: GetListenerCountForTest?

+
   // Removes the listener for the given sub-event.
   void RemoveEventListener(
       void* browser_context,
       const std::string& extension_id,
       const std::string& sub_event_name,
       int embedder_process_id,
       int web_view_instance_id);
 
   // Removes the listeners for a given <webview>.
   void RemoveWebViewEventListeners(
@@ skipping 248 matching lines @@
       extensions::QuotaLimitHeuristics* heuristics) const override;
   // Handle quota exceeded gracefully: Only warn the user but still execute the
   // function.
   void OnQuotaExceeded(const std::string& error) override;
   bool RunSync() override;
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_BROWSER_API_WEB_REQUEST_WEB_REQUEST_API_H_