Lazy initialization for ProcessesEventRouter.

chrome/browser/extensions/extension_system.cc

Index: chrome/browser/extensions/extension_system.cc
diff --git a/chrome/browser/extensions/extension_system.cc b/chrome/browser/extensions/extension_system.cc
index cf5b5d451641efe65d414bd09684c4c30aefa38b..d1334884e42a9bb22793cbabcce4a0b8a9adf166 100644
--- a/chrome/browser/extensions/extension_system.cc
+++ b/chrome/browser/extensions/extension_system.cc
@@ -13,6 +13,7 @@
 #include "chrome/browser/extensions/api/alarms/alarm_manager.h"
 #include "chrome/browser/extensions/api/declarative/rules_registry_service.h"
 #include "chrome/browser/extensions/api/messaging/message_service.h"
+#include "chrome/browser/extensions/api/processes/processes_api_service.h"
 #include "chrome/browser/extensions/component_loader.h"
 #include "chrome/browser/extensions/event_router.h"
 #include "chrome/browser/extensions/extension_devtools_manager.h"
@@ -112,6 +113,11 @@ void ExtensionSystemImpl::Shared::Init(bool extensions_enabled) {
 
   user_script_master_ = new UserScriptMaster(profile_);
 
+  // Initialize services that register with the event router.
+  // TODO(yoz): crbug.com/159265: This shouldn't be here, because of dependency
+  // issues, but unfortunately extension startup ordering is complicated.
+  ProcessesAPIService::Get(profile_);
+
   bool autoupdate_enabled = true;
 #if defined(OS_CHROMEOS)
   if (!extensions_enabled)