Move app_shell specific impl from athena_lib to athena_shell_lib

athena/test/sample_activity_factory.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "athena/test/sample_activity_factory.h"
 
 #include <string>
 
 #include "athena/test/sample_activity.h"
 #include "base/logging.h"
@@ skipping 24 matching lines @@
 }
 
 Activity* SampleActivityFactory::CreateAppActivity(
     extensions::ShellAppWindow* app_window) {
   // SampleActivityFactory can't own the |app_window|, so it must be NULL.
   DCHECK(app_window == NULL);
   return new SampleActivity(
       kDefaultAppColor, kDefaultAppContentColor, base::UTF8ToUTF16("App"));
 }
 
+Activity* SampleActivityFactory::CreateAppActivity(
+    apps::AppWindow* app_window) {
+  return new SampleActivity(
+      kDefaultAppColor, kDefaultAppContentColor, base::UTF8ToUTF16("App"));
+}
+
 }  // namespace test
 }  // namespace athena