Adds the option of aligning the launcher to the left or right. There

ash/launcher/launcher_context_menu.h

Index: ash/launcher/launcher_context_menu.h
diff --git a/ash/launcher/launcher_context_menu.h b/ash/launcher/launcher_context_menu.h
index 0bf706d733f4a798cdb4c182f583767282274a29..768e775d1133ac2d7bce230ddc1e7268f51bcae6 100644
--- a/ash/launcher/launcher_context_menu.h
+++ b/ash/launcher/launcher_context_menu.h
@@ -7,6 +7,7 @@
 #pragma once
 
 #include "ash/ash_export.h"
+#include "ash/launcher/launcher_alignment_menu.h"
 #include "ash/wm/shelf_auto_hide_behavior.h"
 #include "base/basictypes.h"
 #include "ui/base/models/simple_menu_model.h"
@@ -40,8 +41,11 @@ class ASH_EXPORT LauncherContextMenu : public ui::SimpleMenuModel,
  private:
   enum MenuItem {
     MENU_AUTO_HIDE,
+    MENU_ALIGNMENT_MENU,
   };
 
+  LauncherAlignmentMenu alignment_menu_;
+
   DISALLOW_COPY_AND_ASSIGN(LauncherContextMenu);
 };