Remove GetExtensionEventRouter from Profile.

chrome/browser/extensions/api/tab_capture/tab_capture_registry.cc

 // 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/api/tab_capture/tab_capture_registry.h"
 
 #include "content/public/browser/browser_thread.h"
 #include "chrome/browser/extensions/event_names.h"
 #include "chrome/browser/extensions/event_router.h"
+#include "chrome/browser/extensions/extension_system.h"
 #include "chrome/browser/media/media_internals.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/profiles/profile_dependency_manager.h"
 #include "chrome/common/chrome_notification_types.h"
 #include "chrome/common/extensions/extension.h"
 #include "content/public/browser/notification_details.h"
 #include "content/public/browser/notification_source.h"
 
 namespace events = extensions::event_names;
 using content::BrowserThread;
 
 namespace extensions {
 
 TabCaptureRegistry::TabCaptureRegistry(Profile* profile)
     : proxy_(new MediaObserverProxy()), profile_(profile) {
   proxy_->Attach(this);
   registrar_.Add(this, chrome::NOTIFICATION_EXTENSION_UNLOADED,
                  content::Source<Profile>(profile_));
 }
 
 TabCaptureRegistry::~TabCaptureRegistry() {
   proxy_->Detach();
 }
 
 void TabCaptureRegistry::HandleRequestUpdateOnUIThread(
     const content::MediaStreamDevice& device,
     const content::MediaRequestState new_state) {
-  EventRouter* router = profile_ ? profile_->GetExtensionEventRouter() : NULL;
+  EventRouter* router = profile_ ?
+      extensions::ExtensionSystem::Get(profile_)->event_router() : NULL;
   if (!router)
     return;
 
   if (requests_.find(device.device_id) == requests_.end())
     return;
 
   tab_capture::TabCaptureState state =
       tab_capture::TAB_CAPTURE_TAB_CAPTURE_STATE_NONE;
   switch (new_state) {
     case content::MEDIA_REQUEST_STATE_REQUESTED:
@@ skipping 132 matching lines @@
 }
 
 void TabCaptureRegistry::MediaObserverProxy::UpdateOnUIThread(
     const content::MediaStreamDevice& device,
     const content::MediaRequestState new_state) {
   if (handler_)
     handler_->HandleRequestUpdateOnUIThread(device, new_state);
 }
 
 }  // namespace extensions