Layout panels on top of their launcher icons

ash/launcher/launcher.h

Index: ash/launcher/launcher.h
diff --git a/ash/launcher/launcher.h b/ash/launcher/launcher.h
index 12a1790299da2453dc6e007f9a60ae66cd1f9d11..5dc3d2c9b9bb479e598b9803c0f6feb4241ef70f 100644
--- a/ash/launcher/launcher.h
+++ b/ash/launcher/launcher.h
@@ -30,6 +30,7 @@ class FocusCycler;
 class LauncherView;
 }
 
+class LauncherIconsObserver;
 class LauncherDelegate;
 class LauncherModel;
 
@@ -54,6 +55,9 @@ class ASH_EXPORT Launcher : public internal::BackgroundAnimatorDelegate {
   // 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 AddIconsObserver(LauncherIconsObserver* observer);

[sky, 2012/03/23 21:41:14]

Add newline between 57/58.

+  void RemoveIconsObserver(LauncherIconsObserver* observer);
+
   // Only to be called for testing. Retrieves the LauncherView.
   internal::LauncherView* GetLauncherViewForTest();