Remove unused EventRouter member function definitions.

extensions/browser/event_router.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_EVENT_ROUTER_H_
 #define EXTENSIONS_BROWSER_EVENT_ROUTER_H_
 
 #include <set>
 #include <string>
 #include <unordered_map>
-#include <utility>
 
 #include "base/callback.h"
 #include "base/compiler_specific.h"
 #include "base/macros.h"
 #include "base/memory/linked_ptr.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
 #include "base/scoped_observer.h"
 #include "base/values.h"
 #include "components/keyed_service/core/keyed_service.h"
@@ skipping 213 matching lines @@
 
  private:
   friend class EventRouterFilterTest;
   friend class EventRouterTest;
 
   enum class RegisteredEventType {
     kLazy,
     kServiceWorker,
   };
 
-  // An identifier for an event dispatch that is used to prevent double dispatch
-  // due to race conditions between the direct and lazy dispatch paths.
-  typedef std::tuple<const content::BrowserContext*, std::string, int>
-      EventDispatchIdentifier;
-
   // TODO(gdk): Document this.
   static void DispatchExtensionMessage(
       IPC::Sender* ipc_sender,
       int worker_thread_id,
       void* browser_context_id,
       const std::string& extension_id,
       int event_id,
       const std::string& event_name,
       base::ListValue* event_args,
       UserGestureState user_gesture,
@@ skipping 20 matching lines @@
   void RemoveLazyEventListenerImpl(const std::string& event_name,
                                    const ExtensionId& extension_id,
                                    int worker_thread_id);
 
   // Shared by all event dispatch methods. If |restrict_to_extension_id| is
   // empty, the event is broadcast.  An event that just came off the pending
   // list may not be delayed again.
   void DispatchEventImpl(const std::string& restrict_to_extension_id,
                          const linked_ptr<Event>& event);
 
-  // Ensures that all lazy background pages that are interested in the given
-  // event are loaded, and queues the event if the page is not ready yet.
-  // Inserts an EventDispatchIdentifier into |already_dispatched| for each lazy
-  // event dispatch that is queued.
-  void DispatchLazyEvent(const std::string& extension_id,
-                         const linked_ptr<Event>& event,
-                         std::set<EventDispatchIdentifier>* already_dispatched,
-                         const base::DictionaryValue* listener_filter);
-
   // Dispatches the event to the specified extension or URL running in
   // |process|.
   void DispatchEventToProcess(const std::string& extension_id,
                               const GURL& listener_url,
                               content::RenderProcessHost* process,
                               int worker_thread_id,
                               const linked_ptr<Event>& event,
                               const base::DictionaryValue* listener_filter,
                               bool did_enqueue);
 
-  // Possibly loads given extension's background page in preparation to
-  // dispatch an event.  Returns true if the event was queued for subsequent
-  // dispatch, false otherwise.
-  bool MaybeLoadLazyBackgroundPageToDispatchEvent(
-      content::BrowserContext* context,
-      const Extension* extension,
-      const linked_ptr<Event>& event,
-      const base::DictionaryValue* listener_filter);
-
   // Adds a filter to an event.
   void AddFilterToEvent(const std::string& event_name,
                         const std::string& extension_id,
                         const base::DictionaryValue* filter);
 
   // Removes a filter from an event.
   void RemoveFilterFromEvent(const std::string& event_name,
                              const std::string& extension_id,
                              const base::DictionaryValue* filter);
 
@@ skipping 138 matching lines @@
   const std::string event_name;
 
   const std::string extension_id;
   const GURL listener_url;
   content::BrowserContext* const browser_context;
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_BROWSER_EVENT_ROUTER_H_