[Cleanup] Used scoped pointers in KeyedServiceFactory's SetTestingFactory functions.

extensions/browser/lazy_background_task_queue_unittest.cc

Index: extensions/browser/lazy_background_task_queue_unittest.cc
diff --git a/extensions/browser/lazy_background_task_queue_unittest.cc b/extensions/browser/lazy_background_task_queue_unittest.cc
index dbe07946fd6645588560de95700ff943144d1512..917967d1f7cdbf3f661ea845dff964d3ef46da0c 100644
--- a/extensions/browser/lazy_background_task_queue_unittest.cc
+++ b/extensions/browser/lazy_background_task_queue_unittest.cc
@@ -5,6 +5,7 @@
 #include "extensions/browser/lazy_background_task_queue.h"
 
 #include "base/bind.h"
+#include "base/memory/scoped_ptr.h"
 #include "base/prefs/testing_pref_service.h"
 #include "components/keyed_service/content/browser_context_dependency_manager.h"
 #include "components/user_prefs/user_prefs.h"
@@ -52,8 +53,8 @@ class TestProcessManager : public ProcessManager {
   DISALLOW_COPY_AND_ASSIGN(TestProcessManager);
 };
 
-KeyedService* CreateTestProcessManager(BrowserContext* context) {
-  return new TestProcessManager(context);
+scoped_ptr<KeyedService> CreateTestProcessManager(BrowserContext* context) {
+  return make_scoped_ptr(new TestProcessManager(context));
 }
 
 }  // namespace