Layout panels on top of their launcher icons

ash/test/test_shell_delegate.cc

Index: ash/test/test_shell_delegate.cc
diff --git a/ash/test/test_shell_delegate.cc b/ash/test/test_shell_delegate.cc
index 3489412c32abeac86f348720b2d577ead71145b1..2dedddc4569041a07a2d42254c3adb5560a52731 100644
--- a/ash/test/test_shell_delegate.cc
+++ b/ash/test/test_shell_delegate.cc
@@ -9,6 +9,7 @@
 #include "ash/screenshot_delegate.h"
 #include "ash/shell.h"
 #include "ash/shell_window_ids.h"
+#include "ash/test/test_launcher_delegate.h"
 #include "grit/ui_resources.h"
 #include "ui/aura/window.h"
 
@@ -59,7 +60,7 @@ void TestShellDelegate::StartPartialScreenshot(
 
 LauncherDelegate* TestShellDelegate::CreateLauncherDelegate(
     ash::LauncherModel* model) {
-  return NULL;
+  return new TestLauncherDelegate(model);
 }
 
 SystemTrayDelegate* TestShellDelegate::CreateSystemTrayDelegate(