ApplicationImpl cleanup, part 1:

mojo/shell/application_manager_unittest.cc

Index: mojo/shell/application_manager_unittest.cc
diff --git a/mojo/shell/application_manager_unittest.cc b/mojo/shell/application_manager_unittest.cc
index 01c285cf656c6f3695fdd26bcf537604a983a5cf..c3f7b464ff0c4201698c917b37d58c732504e110 100644
--- a/mojo/shell/application_manager_unittest.cc
+++ b/mojo/shell/application_manager_unittest.cc
@@ -139,7 +139,9 @@ class TestApplicationLoader : public ApplicationLoader,
   void Load(const GURL& url,
             InterfaceRequest<Application> application_request) override {
     ++num_loads_;
-    test_app_.reset(new ApplicationImpl(this, application_request.Pass()));
+    test_app_.reset(
+        new ApplicationImpl(this, application_request.Pass(),
+                            base::MessageLoop::QuitWhenIdleClosure()));
   }
 
   // ApplicationDelegate implementation.
@@ -367,7 +369,8 @@ class Tester : public ApplicationDelegate,
  private:
   void Load(const GURL& url,
             InterfaceRequest<Application> application_request) override {
-    app_.reset(new ApplicationImpl(this, application_request.Pass()));
+    app_.reset(new ApplicationImpl(this, application_request.Pass(),
+                                   base::MessageLoop::QuitWhenIdleClosure()));
   }
 
   bool ConfigureIncomingConnection(ApplicationConnection* connection) override {