Move chrome.alarms API from chrome/ to extensions/.

extensions/browser/browser_context_keyed_service_factories.cc

Index: extensions/browser/browser_context_keyed_service_factories.cc
diff --git a/extensions/browser/browser_context_keyed_service_factories.cc b/extensions/browser/browser_context_keyed_service_factories.cc
index 1f916fb553cdea15829838760563d919368f1014..efc9c1c3604a12888ef383d60f2207ecbbdf0cd9 100644
--- a/extensions/browser/browser_context_keyed_service_factories.cc
+++ b/extensions/browser/browser_context_keyed_service_factories.cc
@@ -4,6 +4,7 @@
 
 #include "extensions/browser/browser_context_keyed_service_factories.h"
 
+#include "extensions/browser/api/alarms/alarm_manager.h"
 #include "extensions/browser/api/api_resource_manager.h"
 #include "extensions/browser/api/audio/audio_api.h"
 #include "extensions/browser/api/hid/hid_device_manager.h"
@@ -27,6 +28,7 @@
 namespace extensions {
 
 void EnsureBrowserContextKeyedServiceFactoriesBuilt() {
+  AlarmManager::GetFactoryInstance();
   ApiResourceManager<ResumableTCPServerSocket>::GetFactoryInstance();
   ApiResourceManager<ResumableTCPSocket>::GetFactoryInstance();
   ApiResourceManager<ResumableUDPSocket>::GetFactoryInstance();