Move ExtensionEventRouter and related into extensions namespace

chrome/browser/extensions/extension_event_router.cc

Index: chrome/browser/extensions/extension_event_router.cc
diff --git a/chrome/browser/extensions/extension_event_router.cc b/chrome/browser/extensions/extension_event_router.cc
deleted file mode 100644
index 89df410adebcb0fe29bad3c8df95d869da556085..0000000000000000000000000000000000000000
--- a/chrome/browser/extensions/extension_event_router.cc
+++ /dev/null
@@ -1,628 +0,0 @@
-// 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.
-
-#include "chrome/browser/extensions/extension_event_router.h"
-
-#include "base/bind.h"
-#include "base/command_line.h"
-#include "base/message_loop.h"
-#include "base/values.h"
-#include "chrome/browser/extensions/api/runtime/runtime_api.h"
-#include "chrome/browser/extensions/api/web_request/web_request_api.h"
-#include "chrome/browser/extensions/extension_devtools_manager.h"
-#include "chrome/browser/extensions/extension_host.h"
-#include "chrome/browser/extensions/extension_process_manager.h"
-#include "chrome/browser/extensions/extension_processes_api.h"
-#include "chrome/browser/extensions/extension_processes_api_constants.h"
-#include "chrome/browser/extensions/extension_service.h"
-#include "chrome/browser/extensions/extension_system.h"
-#include "chrome/browser/extensions/lazy_background_task_queue.h"
-#include "chrome/browser/extensions/process_map.h"
-#include "chrome/browser/profiles/profile.h"
-#include "chrome/common/chrome_notification_types.h"
-#include "chrome/common/chrome_switches.h"
-#include "chrome/common/extensions/extension.h"
-#include "chrome/common/extensions/extension_messages.h"
-#include "chrome/common/extensions/api/extension_api.h"
-#include "chrome/common/view_type.h"
-#include "content/public/browser/notification_service.h"
-#include "content/public/browser/render_process_host.h"
-
-using base::Value;
-using content::BrowserThread;
-using extensions::Extension;
-using extensions::ExtensionAPI;
-
-namespace {
-
-const char kDispatchEvent[] = "Event.dispatchJSON";
-
-void NotifyEventListenerRemovedOnIOThread(
-    void* profile,
-    const std::string& extension_id,
-    const std::string& sub_event_name) {
-  ExtensionWebRequestEventRouter::GetInstance()->RemoveEventListener(
-      profile, extension_id, sub_event_name);
-}
-
-}  // namespace
-
-struct ExtensionEventRouter::ListenerProcess {
-  content::RenderProcessHost* process;
-  std::string extension_id;
-
-  ListenerProcess(content::RenderProcessHost* process,
-                const std::string& extension_id)
-      : process(process), extension_id(extension_id) {}
-
-  bool operator<(const ListenerProcess& that) const {
-    if (process < that.process)
-      return true;
-    if (process == that.process && extension_id < that.extension_id)
-      return true;
-    return false;
-  }
-};
-
-// static
-void ExtensionEventRouter::DispatchEvent(
-    IPC::Sender* ipc_sender,
-    const std::string& extension_id,
-    const std::string& event_name,
-    const Value& event_args,
-    const GURL& event_url,
-    UserGestureState user_gesture,
-    const extensions::EventFilteringInfo& info) {
-  // TODO(gdk): Reduce number of DeepCopy() calls throughout the event dispatch
-  // chain, starting by replacing the event_args with a Value*.
-  ListValue args;
-  args.Set(0, Value::CreateStringValue(event_name));
-  args.Set(1, event_args.DeepCopy());
-  args.Set(2, info.AsValue().release());
-
-  ipc_sender->Send(new ExtensionMsg_MessageInvoke(MSG_ROUTING_CONTROL,
-      extension_id, kDispatchEvent, args, event_url,
-      user_gesture == USER_GESTURE_ENABLED));
-}
-
-// static
-void ExtensionEventRouter::DispatchEvent(
-    IPC::Sender* ipc_sender,
-    const std::string& extension_id,
-    const std::string& event_name,
-    const std::string& event_args,
-    const GURL& event_url,
-    UserGestureState user_gesture,
-    const extensions::EventFilteringInfo& info) {
-  scoped_ptr<Value> event_args_value(Value::CreateStringValue(event_args));
-  DispatchEvent(ipc_sender, extension_id, event_name, *event_args_value.get(),
-                event_url, user_gesture, info);
-}
-
-ExtensionEventRouter::ExtensionEventRouter(Profile* profile)
-    : profile_(profile),
-      extension_devtools_manager_(
-          extensions::ExtensionSystem::Get(profile)->devtools_manager()),
-      listeners_(ALLOW_THIS_IN_INITIALIZER_LIST(this)) {
-  registrar_.Add(this, content::NOTIFICATION_RENDERER_PROCESS_TERMINATED,
-                 content::NotificationService::AllSources());
-  registrar_.Add(this, content::NOTIFICATION_RENDERER_PROCESS_CLOSED,
-                 content::NotificationService::AllSources());
-  registrar_.Add(this, chrome::NOTIFICATION_EXTENSION_LOADED,
-                 content::Source<Profile>(profile_));
-  registrar_.Add(this, chrome::NOTIFICATION_EXTENSION_UNLOADED,
-                 content::Source<Profile>(profile_));
-  registrar_.Add(this, chrome::NOTIFICATION_EXTENSION_INSTALLED,
-                 content::Source<Profile>(profile_));
-}
-
-ExtensionEventRouter::~ExtensionEventRouter() {}
-
-void ExtensionEventRouter::AddEventListener(
-    const std::string& event_name,
-    content::RenderProcessHost* process,
-    const std::string& extension_id) {
-  listeners_.AddListener(scoped_ptr<EventListener>(new EventListener(
-      event_name, extension_id, process, scoped_ptr<DictionaryValue>())));
-}
-
-void ExtensionEventRouter::RemoveEventListener(
-    const std::string& event_name,
-    content::RenderProcessHost* process,
-    const std::string& extension_id) {
-  EventListener listener(event_name, extension_id, process,
-                         scoped_ptr<DictionaryValue>());
-  listeners_.RemoveListener(&listener);
-}
-
-void ExtensionEventRouter::OnListenerAdded(const EventListener* listener) {
-  // We don't care about lazy events being added.
-  if (!listener->process)
-    return;
-
-  if (extension_devtools_manager_.get())
-    extension_devtools_manager_->AddEventListener(listener->event_name,
-                                                  listener->process->GetID());
-
-  // We lazily tell the TaskManager to start updating when listeners to the
-  // processes.onUpdated or processes.onUpdatedWithMemory events arrive.
-  const std::string& event_name = listener->event_name;
-  if (event_name.compare(extension_processes_api_constants::kOnUpdated) == 0 ||
-      event_name.compare(
-          extension_processes_api_constants::kOnUpdatedWithMemory) == 0)
-    ExtensionProcessesEventRouter::GetInstance()->ListenerAdded();
-}
-
-void ExtensionEventRouter::OnListenerRemoved(const EventListener* listener) {
-  // We don't care about lazy events being removed.
-  if (!listener->process)
-    return;
-
-  const std::string& event_name = listener->event_name;
-  if (extension_devtools_manager_.get())
-    extension_devtools_manager_->RemoveEventListener(
-        event_name, listener->process->GetID());
-
-  // If a processes.onUpdated or processes.onUpdatedWithMemory event listener
-  // is removed (or a process with one exits), then we let the extension API
-  // know that it has one fewer listener.
-  if (event_name.compare(extension_processes_api_constants::kOnUpdated) == 0 ||
-      event_name.compare(
-          extension_processes_api_constants::kOnUpdatedWithMemory) == 0)
-    ExtensionProcessesEventRouter::GetInstance()->ListenerRemoved();
-
-  BrowserThread::PostTask(
-      BrowserThread::IO, FROM_HERE,
-      base::Bind(
-          &NotifyEventListenerRemovedOnIOThread,
-          profile_, listener->extension_id, listener->event_name));
-}
-
-void ExtensionEventRouter::AddLazyEventListener(
-    const std::string& event_name,
-    const std::string& extension_id) {
-  scoped_ptr<EventListener> listener(new EventListener(
-      event_name, extension_id, NULL, scoped_ptr<DictionaryValue>()));
-  bool is_new = listeners_.AddListener(listener.Pass());
-
-  if (is_new) {
-    extensions::ExtensionPrefs* prefs =
-        profile_->GetExtensionService()->extension_prefs();
-    std::set<std::string> events = prefs->GetRegisteredEvents(extension_id);
-    bool prefs_is_new = events.insert(event_name).second;
-    if (prefs_is_new)
-      prefs->SetRegisteredEvents(extension_id, events);
-  }
-}
-
-void ExtensionEventRouter::RemoveLazyEventListener(
-    const std::string& event_name,
-    const std::string& extension_id) {
-  EventListener listener(event_name, extension_id, NULL,
-                         scoped_ptr<DictionaryValue>());
-  bool did_exist = listeners_.RemoveListener(&listener);
-
-  if (did_exist) {
-    extensions::ExtensionPrefs* prefs =
-        profile_->GetExtensionService()->extension_prefs();
-    std::set<std::string> events = prefs->GetRegisteredEvents(extension_id);
-    bool prefs_did_exist = events.erase(event_name) > 0;
-    DCHECK(prefs_did_exist);
-    prefs->SetRegisteredEvents(extension_id, events);
-  }
-}
-
-void ExtensionEventRouter::AddFilteredEventListener(
-    const std::string& event_name,
-    content::RenderProcessHost* process,
-    const std::string& extension_id,
-    const base::DictionaryValue& filter,
-    bool add_lazy_listener) {
-  listeners_.AddListener(scoped_ptr<EventListener>(new EventListener(
-      event_name, extension_id, process,
-      scoped_ptr<DictionaryValue>(filter.DeepCopy()))));
-
-  if (add_lazy_listener) {
-    bool added = listeners_.AddListener(scoped_ptr<EventListener>(
-        new EventListener(event_name, extension_id, NULL,
-        scoped_ptr<DictionaryValue>(filter.DeepCopy()))));
-
-    if (added) {
-      extensions::ExtensionPrefs* prefs =
-          profile_->GetExtensionService()->extension_prefs();
-      prefs->AddFilterToEvent(event_name, extension_id, &filter);
-    }
-  }
-}
-
-void ExtensionEventRouter::RemoveFilteredEventListener(
-    const std::string& event_name,
-    content::RenderProcessHost* process,
-    const std::string& extension_id,
-    const base::DictionaryValue& filter,
-    bool remove_lazy_listener) {
-  EventListener listener(event_name, extension_id, process,
-                         scoped_ptr<DictionaryValue>(filter.DeepCopy()));
-
-  listeners_.RemoveListener(&listener);
-
-  if (remove_lazy_listener) {
-    listener.process = NULL;
-    bool removed = listeners_.RemoveListener(&listener);
-
-    if (removed) {
-      extensions::ExtensionPrefs* prefs =
-          profile_->GetExtensionService()->extension_prefs();
-      prefs->RemoveFilterFromEvent(event_name, extension_id, &filter);
-    }
-  }
-}
-
-bool ExtensionEventRouter::HasEventListener(const std::string& event_name) {
-  return listeners_.HasListenerForEvent(event_name);
-}
-
-bool ExtensionEventRouter::ExtensionHasEventListener(
-    const std::string& extension_id, const std::string& event_name) {
-  return listeners_.HasListenerForExtension(extension_id, event_name);
-}
-
-bool ExtensionEventRouter::HasEventListenerImpl(
-    const ListenerMap& listener_map,
-    const std::string& extension_id,
-    const std::string& event_name) {
-  ListenerMap::const_iterator it = listener_map.find(event_name);
-  if (it == listener_map.end())
-    return false;
-
-  const std::set<ListenerProcess>& listeners = it->second;
-  if (extension_id.empty())
-    return !listeners.empty();
-
-  for (std::set<ListenerProcess>::const_iterator listener = listeners.begin();
-       listener != listeners.end(); ++listener) {
-    if (listener->extension_id == extension_id)
-      return true;
-  }
-  return false;
-}
-
-void ExtensionEventRouter::DispatchEventToRenderers(
-    const std::string& event_name,
-    const std::string& event_args,
-    Profile* restrict_to_profile,
-    const GURL& event_url,
-    extensions::EventFilteringInfo info) {
-  DCHECK(!event_args.empty());
-  StringValue event_args_value(event_args);
-  linked_ptr<ExtensionEvent> event(
-      new ExtensionEvent(event_name, event_args_value, event_url,
-                         restrict_to_profile, USER_GESTURE_UNKNOWN, info));
-  DispatchEventImpl("", event);
-}
-
-void ExtensionEventRouter::DispatchEventToRenderers(
-    const std::string& event_name,
-    const std::string& event_args,
-    Profile* restrict_to_profile,
-    const GURL& event_url) {
-  DispatchEventToRenderers(event_name, event_args, restrict_to_profile,
-                           event_url, extensions::EventFilteringInfo());
-}
-
-void ExtensionEventRouter::DispatchEventToExtension(
-    const std::string& extension_id,
-    const std::string& event_name,
-    const Value& event_args,
-    Profile* restrict_to_profile,
-    const GURL& event_url) {
-  DCHECK(!extension_id.empty());
-  linked_ptr<ExtensionEvent> event(
-      new ExtensionEvent(event_name, event_args, event_url,
-                         restrict_to_profile, USER_GESTURE_UNKNOWN,
-                         EventFilteringInfo()));
-  DispatchEventImpl(extension_id, event);
-}
-
-void ExtensionEventRouter::DispatchEventToExtension(
-    const std::string& extension_id,
-    const std::string& event_name,
-    const std::string& event_args,
-    Profile* restrict_to_profile,
-    const GURL& event_url) {
-  StringValue event_args_value(event_args);
-  DispatchEventToExtension(extension_id, event_name, event_args_value,
-                           restrict_to_profile, event_url);
-}
-
-void ExtensionEventRouter::DispatchEventToExtension(
-    const std::string& extension_id,
-    const std::string& event_name,
-    const std::string& event_args,
-    Profile* restrict_to_profile,
-    const GURL& event_url,
-    UserGestureState user_gesture) {
-  DCHECK(!extension_id.empty());
-  StringValue event_args_value(event_args);
-  linked_ptr<ExtensionEvent> event(
-      new ExtensionEvent(event_name, event_args_value, event_url,
-                         restrict_to_profile, user_gesture,
-                         EventFilteringInfo()));
-  DispatchEventImpl(extension_id, event);
-}
-
-void ExtensionEventRouter::DispatchEventsToRenderersAcrossIncognito(
-    const std::string& event_name,
-    const std::string& event_args,
-    Profile* restrict_to_profile,
-    const std::string& cross_incognito_args,
-    const GURL& event_url) {
-  linked_ptr<ExtensionEvent> event(
-      new ExtensionEvent(event_name, event_args, event_url,
-                         restrict_to_profile, cross_incognito_args,
-                         USER_GESTURE_UNKNOWN, EventFilteringInfo()));
-  DispatchEventImpl("", event);
-}
-
-void ExtensionEventRouter::DispatchEventImpl(
-    const std::string& restrict_to_extension_id,
-    const linked_ptr<ExtensionEvent>& event) {
-  // We don't expect to get events from a completely different profile.
-  DCHECK(!event->restrict_to_profile ||
-         profile_->IsSameProfile(event->restrict_to_profile));
-
-  std::set<const EventListener*> listeners(
-      listeners_.GetEventListeners(*event));
-  for (std::set<const EventListener*>::iterator it = listeners.begin();
-       it != listeners.end(); it++) {
-    const EventListener* listener = *it;
-    if (restrict_to_extension_id.empty() ||
-        restrict_to_extension_id == listener->extension_id) {
-      if (listener->process) {
-        DispatchEventToProcess(listener->extension_id, listener->process,
-                               event);
-      } else {
-        DispatchLazyEvent(listener->extension_id, event);
-      }
-    }
-  }
-}
-
-void ExtensionEventRouter::DispatchLazyEvent(
-    const std::string& extension_id,
-    const linked_ptr<ExtensionEvent>& event) {
-  ExtensionService* service = profile_->GetExtensionService();
-  // Check both the original and the incognito profile to see if we
-  // should load a lazy bg page to handle the event. The latter case
-  // occurs in the case of split-mode extensions.
-  const Extension* extension = service->extensions()->GetByID(extension_id);
-  if (extension) {
-    MaybeLoadLazyBackgroundPageToDispatchEvent(profile_, extension, event);
-    if (profile_->HasOffTheRecordProfile() &&
-        extension->incognito_split_mode()) {
-      MaybeLoadLazyBackgroundPageToDispatchEvent(
-          profile_->GetOffTheRecordProfile(), extension, event);
-    }
-  }
-}
-
-void ExtensionEventRouter::DispatchEventToProcess(
-    const std::string& extension_id,
-    content::RenderProcessHost* process,
-    const linked_ptr<ExtensionEvent>& event) {
-  ExtensionService* service = profile_->GetExtensionService();
-  const Extension* extension = service->extensions()->GetByID(extension_id);
-
-  // The extension could have been removed, but we do not unregister it until
-  // the extension process is unloaded.
-  if (!extension)
-    return;
-
-  Profile* listener_profile = Profile::FromBrowserContext(
-      process->GetBrowserContext());
-  extensions::ProcessMap* process_map =
-      listener_profile->GetExtensionService()->process_map();
-  // If the event is privileged, only send to extension processes. Otherwise,
-  // it's OK to send to normal renderers (e.g., for content scripts).
-  if (ExtensionAPI::GetSharedInstance()->IsPrivileged(event->event_name) &&
-      !process_map->Contains(extension->id(), process->GetID())) {
-    return;
-  }
-
-  const Value* event_args = NULL;
-  if (!CanDispatchEventToProfile(listener_profile, extension,
-                                 event, &event_args)) {
-    return;
-  }
-
-  DispatchEvent(process, extension_id,
-                event->event_name, *event_args,
-                event->event_url, event->user_gesture,
-                event->info);
-  IncrementInFlightEvents(listener_profile, extension);
-}
-
-bool ExtensionEventRouter::CanDispatchEventToProfile(
-    Profile* profile,
-    const Extension* extension,
-    const linked_ptr<ExtensionEvent>& event,
-    const Value** event_args) {
-  *event_args = event->event_args.get();
-
-  // Is this event from a different profile than the renderer (ie, an
-  // incognito tab event sent to a normal process, or vice versa).
-  bool cross_incognito = event->restrict_to_profile &&
-      profile != event->restrict_to_profile;
-  if (cross_incognito &&
-      !profile->GetExtensionService()->CanCrossIncognito(extension)) {
-    if (!event->cross_incognito_args.get())
-      return false;
-    // Send the event with different arguments to extensions that can't
-    // cross incognito.
-    *event_args = event->cross_incognito_args.get();
-  }
-
-  return true;
-}
-
-void ExtensionEventRouter::MaybeLoadLazyBackgroundPageToDispatchEvent(
-    Profile* profile,
-    const Extension* extension,
-    const linked_ptr<ExtensionEvent>& event) {
-  const Value* event_args = NULL;
-  if (!CanDispatchEventToProfile(profile, extension, event, &event_args))
-    return;
-
-  extensions::LazyBackgroundTaskQueue* queue =
-      extensions::ExtensionSystem::Get(profile)->lazy_background_task_queue();
-  if (queue->ShouldEnqueueTask(profile, extension)) {
-    queue->AddPendingTask(
-        profile, extension->id(),
-        base::Bind(&ExtensionEventRouter::DispatchPendingEvent,
-                   base::Unretained(this), event));
-  }
-}
-
-void ExtensionEventRouter::IncrementInFlightEvents(
-    Profile* profile, const Extension* extension) {
-  // Only increment in-flight events if the lazy background page is active,
-  // because that's the only time we'll get an ACK.
-  if (extension->has_lazy_background_page()) {
-    ExtensionProcessManager* pm =
-        extensions::ExtensionSystem::Get(profile)->process_manager();
-    ExtensionHost* host = pm->GetBackgroundHostForExtension(extension->id());
-    if (host)
-      pm->IncrementLazyKeepaliveCount(extension);
-  }
-}
-
-void ExtensionEventRouter::OnEventAck(
-    Profile* profile, const std::string& extension_id) {
-  ExtensionProcessManager* pm =
-      extensions::ExtensionSystem::Get(profile)->process_manager();
-  ExtensionHost* host = pm->GetBackgroundHostForExtension(extension_id);
-  // The event ACK is routed to the background host, so this should never be
-  // NULL.
-  CHECK(host);
-  // TODO(mpcomplete): We should never get this message unless
-  // has_lazy_background_page is true. Find out why we're getting it anyway.
-  if (host->extension() && host->extension()->has_lazy_background_page())
-    pm->DecrementLazyKeepaliveCount(host->extension());
-}
-
-void ExtensionEventRouter::DispatchPendingEvent(
-    const linked_ptr<ExtensionEvent>& event,
-    ExtensionHost* host) {
-  if (!host)
-    return;
-
-  if (listeners_.HasProcessListener(host->render_process_host(),
-                                    host->extension()->id()))
-    DispatchEventToProcess(host->extension()->id(),
-                           host->render_process_host(), event);
-}
-
-void ExtensionEventRouter::Observe(
-    int type,
-    const content::NotificationSource& source,
-    const content::NotificationDetails& details) {
-  switch (type) {
-    case content::NOTIFICATION_RENDERER_PROCESS_TERMINATED:
-    case content::NOTIFICATION_RENDERER_PROCESS_CLOSED: {
-      content::RenderProcessHost* renderer =
-          content::Source<content::RenderProcessHost>(source).ptr();
-      // Remove all event listeners associated with this renderer.
-      listeners_.RemoveListenersForProcess(renderer);
-      break;
-    }
-    case chrome::NOTIFICATION_EXTENSION_LOADED: {
-      // Add all registered lazy listeners to our cache.
-      const Extension* extension =
-          content::Details<const Extension>(details).ptr();
-      extensions::ExtensionPrefs* prefs =
-          profile_->GetExtensionService()->extension_prefs();
-      std::set<std::string> registered_events =
-          prefs->GetRegisteredEvents(extension->id());
-      listeners_.LoadUnfilteredLazyListeners(extension->id(),
-                                             registered_events);
-      const DictionaryValue* filtered_events =
-          prefs->GetFilteredEvents(extension->id());
-      if (filtered_events)
-        listeners_.LoadFilteredLazyListeners(extension->id(), *filtered_events);
-      break;
-    }
-    case chrome::NOTIFICATION_EXTENSION_UNLOADED: {
-      // Remove all registered lazy listeners from our cache.
-      extensions::UnloadedExtensionInfo* unloaded =
-          content::Details<extensions::UnloadedExtensionInfo>(details).ptr();
-      listeners_.RemoveLazyListenersForExtension(unloaded->extension->id());
-      break;
-    }
-    case chrome::NOTIFICATION_EXTENSION_INSTALLED: {
-      // Dispatch the onInstalled event.
-      const Extension* extension =
-          content::Details<const Extension>(details).ptr();
-      MessageLoop::current()->PostTask(FROM_HERE,
-          base::Bind(&extensions::RuntimeEventRouter::DispatchOnInstalledEvent,
-                     profile_, extension->id()));
-      break;
-    }
-    default:
-      NOTREACHED();
-      return;
-  }
-}
-
-ExtensionEvent::ExtensionEvent(
-    const std::string& event_name,
-    const Value& event_args,
-    const GURL& event_url,
-    Profile* restrict_to_profile,
-    const Value& cross_incognito_args,
-    ExtensionEventRouter::UserGestureState user_gesture,
-    const extensions::EventFilteringInfo& info)
-    : event_name(event_name),
-      event_args(event_args.DeepCopy()),
-      event_url(event_url),
-      restrict_to_profile(restrict_to_profile),
-      cross_incognito_args(cross_incognito_args.DeepCopy()),
-      user_gesture(user_gesture),
-      info(info) {
-}
-
-ExtensionEvent::ExtensionEvent(
-    const std::string& event_name,
-    const std::string& event_args,
-    const GURL& event_url,
-    Profile* restrict_to_profile,
-    const std::string& cross_incognito_args,
-    ExtensionEventRouter::UserGestureState user_gesture,
-    const extensions::EventFilteringInfo& info)
-    : event_name(event_name),
-      event_args(Value::CreateStringValue(event_args)),
-      event_url(event_url),
-      restrict_to_profile(restrict_to_profile),
-      cross_incognito_args(Value::CreateStringValue(cross_incognito_args)),
-      user_gesture(user_gesture),
-      info(info) {
-}
-
-ExtensionEvent::ExtensionEvent(
-    const std::string& event_name,
-    const Value& event_args,
-    const GURL& event_url,
-    Profile* restrict_to_profile,
-    ExtensionEventRouter::UserGestureState user_gesture,
-    const extensions::EventFilteringInfo& info)
-    : event_name(event_name),
-      event_args(event_args.DeepCopy()),
-      event_url(event_url),
-      restrict_to_profile(restrict_to_profile),
-      cross_incognito_args(NULL),
-      user_gesture(user_gesture),
-      info(info) {
-}
-
-ExtensionEvent::~ExtensionEvent() {
-}