ash: Move AppList support to ShelfWidget, expose ShelfWidget in WmShelf

ash/wm/panels/panel_layout_manager_unittest.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 "ash/common/wm/panels/panel_layout_manager.h"
 
 #include "ash/aura/wm_window_aura.h"
 #include "ash/common/ash_switches.h"
 #include "ash/common/display/display_info.h"
 #include "ash/common/shelf/shelf_button.h"
@@ skipping 141 matching lines @@
     shelf_view_test()->RunMessageLoopUntilAnimationsDone();
 
     WmWindow* wm_panel = WmWindowAura::Get(panel);
     WmShelf* shelf = wm_panel->GetRootWindowController()->GetShelf();
     gfx::Rect icon_bounds = shelf->GetScreenBoundsOfItemIconForWindow(wm_panel);
     ASSERT_FALSE(icon_bounds.width() == 0 && icon_bounds.height() == 0);
 
     gfx::Rect window_bounds = panel->GetBoundsInScreen();
     ASSERT_LT(icon_bounds.width(), window_bounds.width());
     ASSERT_LT(icon_bounds.height(), window_bounds.height());
-    gfx::Rect shelf_bounds =
-        shelf->GetShelfWidgetForTesting()->GetWindowBoundsInScreen();
+    gfx::Rect shelf_bounds = shelf->shelf_widget()->GetWindowBoundsInScreen();
     const ShelfAlignment alignment = shelf->alignment();
 
     if (IsHorizontal(alignment)) {
       // The horizontal bounds of the panel window should contain the bounds of
       // the shelf icon.
       EXPECT_LE(window_bounds.x(), icon_bounds.x());
       EXPECT_GE(window_bounds.right(), icon_bounds.right());
     } else {
       // The vertical bounds of the panel window should contain the bounds of
       // the shelf icon.
@@ skipping 739 matching lines @@
   touch.set_location(gfx::Point(bounds.x() - 1, bounds.y() + 5));
   target = targeter->FindTargetForEvent(root, &touch);
   EXPECT_NE(w.get(), target);
 }
 
 INSTANTIATE_TEST_CASE_P(LtrRtl,
                         PanelLayoutManagerTextDirectionTest,
                         testing::Bool());
 
 }  // namespace ash