Rename Launcher to Shelf.

ash/shelf/shelf_util.h

Index: ash/shelf/shelf_util.h
diff --git a/ash/shelf/shelf_util.h b/ash/shelf/shelf_util.h
index 6fb3d5efc138dd254e34b04fc330d6002c15cb7e..1f8bf0acb4eb49a93eb40438d7692f9c7eb5dc81 100644
--- a/ash/shelf/shelf_util.h
+++ b/ash/shelf/shelf_util.h
@@ -28,12 +28,12 @@ ASH_EXPORT void SetLauncherIDForWindow(LauncherID id, aura::Window* window);
 ASH_EXPORT LauncherID GetLauncherIDForWindow(aura::Window* window);
 
 // Sets LauncherItemDetails for |window|.
-ASH_EXPORT void SetLauncherItemDetailsForWindow(
+ASH_EXPORT void SetShelfItemDetailsForWindow(

[James Cook, 2013/12/16 23:34:52]

nit: Maybe this one and the next one should both be changed at the same time? 
(Not necessarily in this CL, it just seems odd that the Set and Clear functions
have different names.)

[tfarina, 2013/12/17 00:45:24]

Done.

     aura::Window* window,
     const LauncherItemDetails& details);
 
 // Clears LauncherItemDetails for |window|.
-// If |window| has a LauncherItem by SetLauncherItemDetailsForWindow(), it will
+// If |window| has a LauncherItem by SetShelfItemDetailsForWindow(), it will
 // be removed.
 ASH_EXPORT void ClearLauncherItemDetailsForWindow(aura::Window* window);