ash: Stop hiding the shelf on user-action after it was shown using gesture drag.

ash/shelf/shelf_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/shelf/shelf_layout_manager.h"
 
 #include "ash/accelerators/accelerator_controller.h"
 #include "ash/accelerators/accelerator_table.h"
 #include "ash/ash_switches.h"
 #include "ash/display/display_manager.h"
@@ skipping 932 matching lines @@
   end.set_y(start.y() + 100);
   generator.GestureScrollSequence(start, end,
       base::TimeDelta::FromMilliseconds(10), 1);
   EXPECT_EQ(SHELF_AUTO_HIDE, shelf->visibility_state());
   EXPECT_EQ(SHELF_AUTO_HIDE_HIDDEN, shelf->auto_hide_state());
   EXPECT_EQ(SHELF_AUTO_HIDE_BEHAVIOR_ALWAYS, shelf->auto_hide_behavior());
   EXPECT_EQ(bounds_noshelf.ToString(), window->bounds().ToString());
   EXPECT_EQ(shelf_hidden.ToString(),
             GetShelfWidget()->GetWindowBoundsInScreen().ToString());
 
-  // Swipe up yet again to show it.
-  end.set_y(start.y() + 100);
-  generator.GestureScrollSequence(end, start,
-      base::TimeDelta::FromMilliseconds(10), 1);
-  EXPECT_EQ(SHELF_VISIBLE, shelf->visibility_state());
-  EXPECT_EQ(SHELF_AUTO_HIDE_BEHAVIOR_NEVER, shelf->auto_hide_behavior());
-
-  // Tap on the shelf itself. This should not change anything.
-  generator.GestureTapAt(start);
-  EXPECT_EQ(SHELF_VISIBLE, shelf->visibility_state());
-  EXPECT_EQ(SHELF_AUTO_HIDE_BEHAVIOR_NEVER, shelf->auto_hide_behavior());
-
-  // Now, tap on the desktop region (above the shelf). This should hide the
-  // shelf.
-  gfx::Point tap = start + gfx::Vector2d(0, -90);
-  generator.GestureTapAt(tap);
-  EXPECT_EQ(SHELF_AUTO_HIDE, shelf->visibility_state());
-  EXPECT_EQ(SHELF_AUTO_HIDE_HIDDEN, shelf->auto_hide_state());
-  EXPECT_EQ(SHELF_AUTO_HIDE_BEHAVIOR_ALWAYS, shelf->auto_hide_behavior());
-
   // Make the window fullscreen.
   widget->SetFullscreen(true);
   gfx::Rect bounds_fullscreen = window->bounds();
   EXPECT_TRUE(widget->IsFullscreen());
   EXPECT_NE(bounds_noshelf.ToString(), bounds_fullscreen.ToString());
   EXPECT_EQ(SHELF_HIDDEN, shelf->visibility_state());
 
   // Swipe-up. This should not change anything.
   generator.GestureScrollSequence(end, start,
       base::TimeDelta::FromMilliseconds(10), 1);
@@ skipping 260 matching lines @@
       EXPECT_TRUE(status_area_widget->IsMessageBubbleShown());
     } else {
       EXPECT_FALSE(shelf->IsVisible());
       EXPECT_FALSE(status_area_widget->IsMessageBubbleShown());
     }
   }
 }
 
 }  // namespace internal
 }  // namespace ash