Skeleton for app_list on OSX, and refactoring for enable_app_list=1 on OS=="mac".

ui/app_list/views/test/apps_grid_view_test_api.h

Index: ui/app_list/views/test/apps_grid_view_test_api.h
diff --git a/ui/app_list/test/apps_grid_view_test_api.h b/ui/app_list/views/test/apps_grid_view_test_api.h
similarity index 79%
rename from ui/app_list/test/apps_grid_view_test_api.h
rename to ui/app_list/views/test/apps_grid_view_test_api.h
index 2d6884fb84b83339785f1872330342099dd00256..d84dadc7e0b1c44decc2ba9151d9a36009858eec 100644
--- a/ui/app_list/test/apps_grid_view_test_api.h
+++ b/ui/app_list/views/test/apps_grid_view_test_api.h
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef UI_APP_LIST_TEST_APPS_GRID_VIEW_TEST_API_H_
-#define UI_APP_LIST_TEST_APPS_GRID_VIEW_TEST_API_H_
+#ifndef UI_APP_LIST_VIEWS_TEST_APPS_GRID_VIEW_TEST_API_H_
+#define UI_APP_LIST_VIEWS_TEST_APPS_GRID_VIEW_TEST_API_H_
 
 #include "base/basictypes.h"
 
@@ -37,4 +37,4 @@ class AppsGridViewTestApi {
 }  // namespace test
 }  // namespace app_list
 
-#endif  // UI_APP_LIST_TEST_APPS_GRID_VIEW_TEST_API_H_
+#endif  // UI_APP_LIST_VIEWS_TEST_APPS_GRID_VIEW_TEST_API_H_