Split Shell::ToggleAppList() into ShowAppList and DismissAppList.

ash/shell/app_list.cc

 // 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.
 
 #include <string>
 
 #include "ash/session/session_state_delegate.h"
 #include "ash/shell.h"
 #include "ash/shell/example_factory.h"
 #include "ash/shell/toplevel_window.h"
@@ skipping 298 matching lines @@
   virtual void StopSearch() OVERRIDE {
     // Nothing needs to be done.
   }
 
   virtual void ViewInitialized() OVERRIDE {
     // Nothing needs to be done.
   }
 
   virtual void Dismiss() OVERRIDE {
     DCHECK(ash::Shell::HasInstance());
-    if (Shell::GetInstance()->GetAppListTargetVisibility())
-      Shell::GetInstance()->ToggleAppList(NULL);
+    Shell::GetInstance()->DismissAppList();
   }
 
   virtual void ViewClosing() OVERRIDE {
     // Nothing needs to be done.
   }
 
   virtual gfx::ImageSkia GetWindowIcon() OVERRIDE {
     return gfx::ImageSkia();
   }
 
@@ skipping 38 matching lines @@
 };
 
 }  // namespace
 
 app_list::AppListViewDelegate* CreateAppListViewDelegate() {
   return new ExampleAppListViewDelegate;
 }
 
 }  // namespace shell
 }  // namespace ash