Turning on drag and drop from app list to launcher by default

ash/launcher/launcher_view.cc

Index: ash/launcher/launcher_view.cc
diff --git a/ash/launcher/launcher_view.cc b/ash/launcher/launcher_view.cc
index ead087924d3bf0044ba5398ebc7f7498422ee3f7..31d61ecf54821c5c97833cbccf7666f29a961d54 100644
--- a/ash/launcher/launcher_view.cc
+++ b/ash/launcher/launcher_view.cc
@@ -1482,8 +1482,8 @@ void LauncherView::ButtonPressed(views::Button* sender,
         Shell::GetInstance()->ToggleAppList(GetWidget()->GetNativeView());
         // By setting us as DnD recipient, the app list knows that we can
         // handle items.
-        if (CommandLine::ForCurrentProcess()->HasSwitch(
-                ash::switches::kAshDragAndDropAppListToLauncher))
+        if (!CommandLine::ForCurrentProcess()->HasSwitch(
+                 ash::switches::kAshDisableDragAndDropAppListToLauncher))
           Shell::GetInstance()->SetDragAndDropHostOfCurrentAppList(this);
         break;
     }