Use the correct launcher assets for shelf alignment.

ash/launcher/launcher_tooltip_manager.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_TOOLTIP_MANAGER_H_
 #define ASH_LAUNCHER_LAUNCHER_TOOLTIP_MANAGER_H_
 
 #include "ash/ash_export.h"
 #include "ash/shelf_types.h"
 #include "ash/wm/session_state_observer.h"
@@ skipping 22 matching lines @@
 
 namespace internal {
 class LauncherView;
 
 // LauncherTooltipManager manages the tooltip balloon poping up on launcher
 // items.
 class ASH_EXPORT LauncherTooltipManager : public ui::EventHandler,
                                           public ShelfLayoutManager::Observer,
                                           public SessionStateObserver {
  public:
-  LauncherTooltipManager(ShelfAlignment alignment,
-                         ShelfLayoutManager* shelf_layout_manager,
+  LauncherTooltipManager(ShelfLayoutManager* shelf_layout_manager,
                          LauncherView* launcher_view);
   virtual ~LauncherTooltipManager();
 
+  ShelfLayoutManager* shelf_layout_manager() {
+    return shelf_layout_manager_;
+  }
+
   // Called when the bubble is closed.
   void OnBubbleClosed(views::BubbleDelegateView* view);
 
   // Shows the tooltip after a delay.  It also has the appearing animation.
   void ShowDelayed(views::View* anchor, const string16& text);
 
   // Shows the tooltip immediately.  It omits the appearing animation.
   void ShowImmediately(views::View* anchor, const string16& text);
 
   // Closes the tooltip.
   void Close();
 
   // Changes the arrow location of the tooltip in case that the launcher
   // arrangement has changed.
-  void SetArrowLocation(ShelfAlignment alignment);
+  void UpdateArrowLocation();
 
   // Resets the timer for the delayed showing |view_|.  If the timer isn't
   // running, it starts a new timer.
   void ResetTimer();
 
   // Stops the timer for the delayed showing |view_|.
   void StopTimer();
 
   // Returns true if the tooltip is currently visible.
   bool IsVisible();
@@ skipping 21 matching lines @@
 
   void CancelHidingAnimation();
   void CloseSoon();
   void ShowInternal();
   void CreateBubble(views::View* anchor, const string16& text);
 
   LauncherTooltipBubble* view_;
   views::Widget* widget_;
   views::View* anchor_;
   string16 text_;
-  ShelfAlignment alignment_;
   scoped_ptr<base::Timer> timer_;
 
   ShelfLayoutManager* shelf_layout_manager_;
   LauncherView* launcher_view_;
 
   DISALLOW_COPY_AND_ASSIGN(LauncherTooltipManager);
 };
 
 }  // namespace internal
 }  // namespace ash
 
 #endif  // ASH_LAUNCHER_LAUNCHER_TOOLTIP_MANAGER_H_