ash: Fix variable names and setters in ShelfLayoutManager and tests

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/wm/common/panels/panel_layout_manager.h"
 
 #include "ash/ash_switches.h"
 #include "ash/screen_util.h"
 #include "ash/shelf/shelf.h"
 #include "ash/shelf/shelf_button.h"
@@ skipping 203 matching lines @@
     Shelf::ForWindow(root_window)->SetAlignment(alignment);
   }
 
   wm::ShelfAlignment GetAlignment(const aura::Window* root_window) {
     return Shelf::ForWindow(root_window)->alignment();
   }
 
   void SetShelfAutoHideBehavior(aura::Window* window,
                                 ShelfAutoHideBehavior behavior) {
     Shelf* shelf = Shelf::ForWindow(window);
-    shelf->shelf_layout_manager()->SetAutoHideBehavior(behavior);
+    shelf->SetAutoHideBehavior(behavior);
     test::ShelfViewTestAPI test_api(GetShelfView(shelf));
     test_api.RunMessageLoopUntilAnimationsDone();
   }
 
   void SetShelfVisibilityState(aura::Window* window,
                                ShelfVisibilityState visibility_state) {
     Shelf* shelf = Shelf::ForWindow(window);
     shelf->shelf_layout_manager()->SetState(visibility_state);
   }
 
@@ skipping 578 matching lines @@
   // Hit test outside the left edge with a left-aligned shelf.
   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