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

ash/launcher/launcher_types.h

 // Copyright (c) 2012 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.
 
 #ifndef ASH_LAUNCHER_LAUNCHER_TYPES_H_
 #define ASH_LAUNCHER_LAUNCHER_TYPES_H_
 #pragma once
 
 #include <vector>
 
 #include "third_party/skia/include/core/SkBitmap.h"
 #include "ash/ash_export.h"
 
 namespace aura {
 class Window;
 }
 
 namespace ash {
 
 typedef int LauncherID;
 
 // Height of the Launcher. Hard coded to avoid resizing as items are
 // added/removed.
-ASH_EXPORT extern const int kLauncherPreferredHeight;
+ASH_EXPORT extern const int kLauncherPreferredSize;
 
 // Type the LauncherItem represents.
 enum ASH_EXPORT LauncherItemType {
   // Represents a tabbed browser.
   TYPE_TABBED,
 
   // Represents a running app panel.
   TYPE_APP_PANEL,
 
   // Represents a pinned shortcut to an app.
@@ skipping 32 matching lines @@
 
   // Running status.
   LauncherItemStatus status;
 };
 
 typedef std::vector<LauncherItem> LauncherItems;
 
 }  // namespace ash
 
 #endif  // ASH_LAUNCHER_LAUNCHER_TYPES_H_