Remove unused ash::SHELF_ALIGNMENT_TOP

ash/wm/panels/panel_layout_manager_unittest.cc

Index: ash/wm/panels/panel_layout_manager_unittest.cc
diff --git a/ash/wm/panels/panel_layout_manager_unittest.cc b/ash/wm/panels/panel_layout_manager_unittest.cc
index a8f23cd84a7d76d23bfe61acb42ef22d25c9fe58..f8e2040308f14aa2c36357aa12699397fec3ece2 100644
--- a/ash/wm/panels/panel_layout_manager_unittest.cc
+++ b/ash/wm/panels/panel_layout_manager_unittest.cc
@@ -150,9 +150,6 @@ class PanelLayoutManagerTest : public test::AshTestBase {
       case SHELF_ALIGNMENT_RIGHT:
         EXPECT_EQ(shelf_bounds.x(), window_bounds.right());
         break;
-      case SHELF_ALIGNMENT_TOP:
-        EXPECT_EQ(shelf_bounds.bottom(), window_bounds.y());
-        break;
     }
   }
 
@@ -182,9 +179,6 @@ class PanelLayoutManagerTest : public test::AshTestBase {
       case SHELF_ALIGNMENT_RIGHT:
         EXPECT_EQ(panel_bounds.right(), callout_bounds.x());
         break;
-      case SHELF_ALIGNMENT_TOP:
-        EXPECT_EQ(panel_bounds.y(), callout_bounds.bottom());
-        break;
     }
 
     if (IsHorizontal(alignment)) {
@@ -256,8 +250,7 @@ class PanelLayoutManagerTest : public test::AshTestBase {
   scoped_ptr<test::ShelfViewTestAPI> shelf_view_test_;
 
   bool IsHorizontal(ShelfAlignment alignment) {
-    return alignment == SHELF_ALIGNMENT_BOTTOM ||
-           alignment == SHELF_ALIGNMENT_TOP;
+    return alignment == SHELF_ALIGNMENT_BOTTOM;
   }
 
   DISALLOW_COPY_AND_ASSIGN(PanelLayoutManagerTest);
@@ -699,9 +692,6 @@ TEST_F(PanelLayoutManagerTest, PanelAlignmentSecondDisplay) {
   SetAlignment(root_windows[1], SHELF_ALIGNMENT_LEFT);
   IsPanelAboveLauncherIcon(p1_d2.get());
   IsCalloutAboveLauncherIcon(p1_d2.get());
-  SetAlignment(root_windows[1], SHELF_ALIGNMENT_TOP);
-  IsPanelAboveLauncherIcon(p1_d2.get());
-  IsCalloutAboveLauncherIcon(p1_d2.get());
 }
 
 TEST_F(PanelLayoutManagerTest, AlignmentLeft) {
@@ -720,14 +710,6 @@ TEST_F(PanelLayoutManagerTest, AlignmentRight) {
   IsCalloutAboveLauncherIcon(w.get());
 }
 
-TEST_F(PanelLayoutManagerTest, AlignmentTop) {
-  gfx::Rect bounds(0, 0, 201, 201);
-  scoped_ptr<aura::Window> w(CreatePanelWindow(bounds));
-  SetAlignment(Shell::GetPrimaryRootWindow(), SHELF_ALIGNMENT_TOP);
-  IsPanelAboveLauncherIcon(w.get());
-  IsCalloutAboveLauncherIcon(w.get());
-}
-
 // Tests that panels will hide and restore their state with the shelf visibility
 // state. This ensures that entering full-screen mode will hide your panels
 // until you leave it.
@@ -831,18 +813,6 @@ TEST_F(PanelLayoutManagerTest, TouchHitTestPanel) {
   touch.set_location(gfx::Point(bounds.x() - 1, bounds.y() + 5));
   target = targeter->FindTargetForEvent(root, &touch);
   EXPECT_NE(w.get(), target);
-
-  // Hit test outside the left edge with a top-aligned shelf.
-  SetAlignment(Shell::GetPrimaryRootWindow(), SHELF_ALIGNMENT_TOP);
-  bounds = w->bounds();
-  touch.set_location(gfx::Point(bounds.x() - 1, bounds.y() + 5));
-  target = targeter->FindTargetForEvent(root, &touch);
-  EXPECT_EQ(w.get(), target);
-
-  // Hit test outside the top edge with a top-aligned shelf.
-  touch.set_location(gfx::Point(bounds.x() + 4, bounds.y() - 6));
-  target = targeter->FindTargetForEvent(root, &touch);
-  EXPECT_NE(w.get(), target);
 }
 
 INSTANTIATE_TEST_CASE_P(LtrRtl, PanelLayoutManagerTextDirectionTest,