Lazy initialization for ProcessesEventRouter.

chrome/browser/extensions/extension_service.cc

Index: chrome/browser/extensions/extension_service.cc
diff --git a/chrome/browser/extensions/extension_service.cc b/chrome/browser/extensions/extension_service.cc
index e2381e731014bdf8e762a256b30ddc9ea9696286..8bb1afb5c3060107c31ff941dd33e0665a28edd7 100644
--- a/chrome/browser/extensions/extension_service.cc
+++ b/chrome/browser/extensions/extension_service.cc
@@ -39,7 +39,6 @@
 #include "chrome/browser/extensions/api/management/management_api.h"
 #include "chrome/browser/extensions/api/media_galleries_private/media_galleries_private_event_router.h"
 #include "chrome/browser/extensions/api/preference/preference_api.h"
-#include "chrome/browser/extensions/api/processes/processes_api.h"
 #include "chrome/browser/extensions/api/runtime/runtime_api.h"
 #include "chrome/browser/extensions/api/push_messaging/push_messaging_api.h"
 #include "chrome/browser/extensions/api/web_navigation/web_navigation_api.h"
@@ -528,7 +527,6 @@ void ExtensionService::InitEventRouters() {
   cookies_event_router_.reset(
       new extensions::ExtensionCookiesEventRouter(profile_));
   management_event_router_.reset(new ExtensionManagementEventRouter(profile_));
-  extensions::ProcessesEventRouter::GetInstance()->ObserveProfile(profile_);
   web_navigation_event_router_.reset(
       new extensions::WebNavigationEventRouter(profile_));
   font_settings_event_router_.reset(