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

ash/launcher/launcher.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_H_
 #define ASH_LAUNCHER_LAUNCHER_H_
 #pragma once
 
 #include "ash/ash_export.h"
 #include "ash/launcher/background_animator.h"
+#include "ash/wm/shelf_auto_hide_behavior.h"
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
+#include "ui/gfx/size.h"
 
 namespace aura {
 class Window;
 }
 
 namespace gfx {
 class Rect;
 }
 
 namespace views {
@@ skipping 14 matching lines @@
 
 class ASH_EXPORT Launcher : public internal::BackgroundAnimatorDelegate {
  public:
   explicit Launcher(aura::Window* window_container);
   virtual ~Launcher();
 
   // Sets the focus cycler.  Also adds the launcher to the cycle.
   void SetFocusCycler(internal::FocusCycler* focus_cycler);
   internal::FocusCycler* GetFocusCycler();
 
+  void SetAlignment(ShelfAlignment alignment);
+  ShelfAlignment alignment() const { return alignment_; }
+
   // Sets whether the launcher paints a background. Default is false, but is set
   // to true if a window overlaps the shelf.
   void SetPaintsBackground(
       bool value,
       internal::BackgroundAnimator::ChangeType change_type);
 
-  // Sets the width of the status area.
-  void SetStatusWidth(int width);
-  int GetStatusWidth();
+  // Sets the size of the status area.
+  void SetStatusSize(const gfx::Size& size);
+  const gfx::Size& status_size() const { return status_size_; }
 
   // Returns the screen bounds of the item for the specified window. If there is
   // no item for the specified window an empty rect is returned.
   gfx::Rect GetScreenBoundsOfItemIconForWindow(aura::Window* window);
 
   void AddIconObserver(LauncherIconObserver* observer);
   void RemoveIconObserver(LauncherIconObserver* observer);
 
   // Returns true if the Launcher is showing a context menu.
   bool IsShowingMenu() const;
@@ skipping 23 matching lines @@
   scoped_ptr<views::Widget> widget_;
 
   aura::Window* window_container_;
 
   // Contents view of the widget. Houses the LauncherView.
   DelegateView* delegate_view_;
 
   // LauncherView used to display icons.
   internal::LauncherView* launcher_view_;
 
+  ShelfAlignment alignment_;
+
   scoped_ptr<LauncherDelegate> delegate_;
 
+  // Size reserved for the status area.
+  gfx::Size status_size_;
+
   // Used to animate the background.
   internal::BackgroundAnimator background_animator_;
 
   DISALLOW_COPY_AND_ASSIGN(Launcher);
 };
 
 }  // namespace ash
 
 #endif  // ASH_LAUNCHER_LAUNCHER_H_