WIP: diff which plumbs through the event URL.

extensions/browser/event_listener_map.h

 // Copyright 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.
 
 #ifndef EXTENSIONS_BROWSER_EVENT_LISTENER_MAP_H_
 #define EXTENSIONS_BROWSER_EVENT_LISTENER_MAP_H_
 
 #include <map>
 #include <set>
 #include <string>
 #include <vector>
 
 #include "base/memory/scoped_ptr.h"
 #include "extensions/common/event_filter.h"
+#include "url/gurl.h"
 
 namespace base {
 class DictionaryValue;
 }
 
 namespace content {
 class BrowserContext;
 class RenderProcessHost;
 }
 
 class ListenerRemovalListener;
 
 namespace extensions {
 struct Event;
 
 // A listener for an extension event. A listener is essentially an endpoint
 // that an event can be dispatched to.
 //
 // This is a lazy listener if |IsLazy| is returns true, and a filtered listener
 // if |filter| is defined.
 //
 // A lazy listener is added to an event to indicate that a lazy background page
 // is listening to the event. It is associated with no process, so to dispatch
 // an event to a lazy listener one must start a process running the associated
 // extension and dispatch the event to that.
-//
 class EventListener {
  public:
   // |filter| represents a generic filter structure that EventFilter knows how
   // to filter events with. A typical filter instance will look like
   //
   // {
   //   url: [{hostSuffix: 'google.com'}],
   //   tabId: 5
   // }
   EventListener(const std::string& event_name,
                 const std::string& extension_id,
+                const GURL& listener_url,
                 content::RenderProcessHost* process,
                 scoped_ptr<base::DictionaryValue> filter);
   ~EventListener();
 
   bool Equals(const EventListener* other) const;
 
   scoped_ptr<EventListener> Copy() const;
 
   // Returns true in the case of a lazy background page, and thus no process.
   bool IsLazy() const;
 
   // Modifies this listener to be a lazy listener, clearing process references.
   void MakeLazy();
 
   // Returns the browser context associated with the listener, or NULL if
   // IsLazy.
   content::BrowserContext* GetBrowserContext() const;
 
-  const std::string event_name() const { return event_name_; }
-  const std::string extension_id() const { return extension_id_; }
+  const std::string& event_name() const { return event_name_; }
+  const std::string& extension_id() const { return extension_id_; }
+  const GURL& listener_url() const { return listener_url_; }
   content::RenderProcessHost* process() const { return process_; }
   base::DictionaryValue* filter() const { return filter_.get(); }
   EventFilter::MatcherID matcher_id() const { return matcher_id_; }
   void set_matcher_id(EventFilter::MatcherID id) { matcher_id_ = id; }
 
  private:
   const std::string event_name_;
   const std::string extension_id_;
+  const GURL listener_url_;
   content::RenderProcessHost* process_;
   scoped_ptr<base::DictionaryValue> filter_;
   EventFilter::MatcherID matcher_id_;  // -1 if unset.
 
   DISALLOW_COPY_AND_ASSIGN(EventListener);
 };
 
 // Holds listeners for extension events and can answer questions about which
 // listeners are interested in what events.
 class EventListenerMap {
@@ skipping 82 matching lines @@
   std::map<EventFilter::MatcherID, EventListener*> listeners_by_matcher_id_;
 
   EventFilter event_filter_;
 
   DISALLOW_COPY_AND_ASSIGN(EventListenerMap);
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_BROWSER_EVENT_LISTENER_MAP_H_