[extension SW] Support lazy events from extension service workers.

extensions/browser/event_listener_map.cc

 // 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.
 
 #include "extensions/browser/event_listener_map.h"
 
 #include <stddef.h>
 
 #include <utility>
 
@@ skipping 12 matching lines @@
 
 typedef EventFilter::MatcherID MatcherID;
 
 // static
 std::unique_ptr<EventListener> EventListener::ForExtension(
     const std::string& event_name,
     const std::string& extension_id,
     content::RenderProcessHost* process,
     std::unique_ptr<base::DictionaryValue> filter) {
   return base::WrapUnique(new EventListener(event_name, extension_id, GURL(),
-                                            process, kNonWorkerThreadId,
+                                            process, false, kNonWorkerThreadId,
                                             std::move(filter)));
 }
 
 // static
 std::unique_ptr<EventListener> EventListener::ForURL(
     const std::string& event_name,
     const GURL& listener_url,
     content::RenderProcessHost* process,
     std::unique_ptr<base::DictionaryValue> filter) {
   // Use only the origin to identify the event listener, e.g. chrome://settings
   // for chrome://settings/accounts, to avoid multiple events being triggered
   // for the same process. See crbug.com/536858 for details. // TODO(devlin): If
   // we dispatched events to processes more intelligently this could be avoided.
   return base::WrapUnique(new EventListener(
       event_name, ExtensionId(), url::Origin(listener_url).GetURL(), process,
-      kNonWorkerThreadId, std::move(filter)));
+      false, kNonWorkerThreadId, std::move(filter)));
 }
 
 std::unique_ptr<EventListener> EventListener::ForExtensionServiceWorker(
     const std::string& event_name,
     const std::string& extension_id,
     content::RenderProcessHost* process,
+    const GURL& service_worker_scope,
     int worker_thread_id,
     std::unique_ptr<base::DictionaryValue> filter) {
-  return base::WrapUnique(new EventListener(event_name, extension_id, GURL(),
-                                            process, worker_thread_id,
-                                            std::move(filter)));
+  return base::WrapUnique(
+      new EventListener(event_name, extension_id, service_worker_scope, process,
+                        true, worker_thread_id, std::move(filter)));
 }
 
 EventListener::~EventListener() {}
 
 bool EventListener::Equals(const EventListener* other) const {
   // We don't check matcher_id equality because we want a listener with a
   // filter that hasn't been added to EventFilter to match one that is
   // equivalent but has.
   return event_name_ == other->event_name_ &&
          extension_id_ == other->extension_id_ &&
          listener_url_ == other->listener_url_ && process_ == other->process_ &&
+         is_for_service_worker_ == other->is_for_service_worker_ &&
          worker_thread_id_ == other->worker_thread_id_ &&
          ((!!filter_.get()) == (!!other->filter_.get())) &&
          (!filter_.get() || filter_->Equals(other->filter_.get()));
 }
 
 std::unique_ptr<EventListener> EventListener::Copy() const {
   std::unique_ptr<DictionaryValue> filter_copy;
   if (filter_)
     filter_copy = filter_->CreateDeepCopy();
-  return base::WrapUnique(
-      new EventListener(event_name_, extension_id_, listener_url_, process_,
-                        worker_thread_id_, std::move(filter_copy)));
+  return base::WrapUnique(new EventListener(
+      event_name_, extension_id_, listener_url_, process_,
+      is_for_service_worker_, worker_thread_id_, std::move(filter_copy)));
 }
 
 bool EventListener::IsLazy() const {
   return !process_;
 }
 
-bool EventListener::IsForServiceWorker() const {
-  return worker_thread_id_ != kNonWorkerThreadId;
-}
-
 void EventListener::MakeLazy() {
   DCHECK_EQ(worker_thread_id_, kNonWorkerThreadId);
   process_ = nullptr;
 }
 
 content::BrowserContext* EventListener::GetBrowserContext() const {
   return process_ ? process_->GetBrowserContext() : nullptr;
 }
 
 EventListener::EventListener(const std::string& event_name,
                              const std::string& extension_id,
                              const GURL& listener_url,
                              content::RenderProcessHost* process,
+                             bool is_for_service_worker,
                              int worker_thread_id,
                              std::unique_ptr<DictionaryValue> filter)
     : event_name_(event_name),
       extension_id_(extension_id),
       listener_url_(listener_url),
       process_(process),
+      is_for_service_worker_(is_for_service_worker),
       worker_thread_id_(worker_thread_id),
       filter_(std::move(filter)),
       matcher_id_(-1) {}
 
 EventListenerMap::EventListenerMap(Delegate* delegate)
     : delegate_(delegate) {
 }
 
 EventListenerMap::~EventListenerMap() {}
 
@@ skipping 180 matching lines @@
     return;
   event_filter_.RemoveEventMatcher(listener->matcher_id());
   CHECK_EQ(1u, listeners_by_matcher_id_.erase(listener->matcher_id()));
 }
 
 bool EventListenerMap::IsFilteredEvent(const Event& event) const {
   return base::ContainsKey(filtered_events_, event.event_name);
 }
 
 }  // namespace extensions