Remove docked windows entirely in M59.

ash/display/display_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 "ui/display/manager/display_manager.h"
 
 #include "ash/accelerators/accelerator_commands_aura.h"
 #include "ash/common/ash_switches.h"
 #include "ash/common/strings/grit/ash_strings.h"
 #include "ash/common/wm/window_state.h"
@@ skipping 2652 matching lines @@
   EXPECT_EQ("1150x500", screen->GetPrimaryDisplay().size().ToString());
   display_manager()->SetDisplayRotation(
       display.id(), display::Display::ROTATE_0,
       display::Display::ROTATION_SOURCE_ACTIVE);
   EXPECT_EQ("1150x500", screen->GetPrimaryDisplay().size().ToString());
 
   UpdateDisplay("400x500");
   EXPECT_EQ("400x500", screen->GetPrimaryDisplay().size().ToString());
 }
 
-// Makes sure the transition from unified to single won't crash
-// with docked windows.
-TEST_F(DisplayManagerTest, UnifiedWithDockWindows) {
-  // Enable window docking for this test.
-  base::CommandLine::ForCurrentProcess()->AppendSwitch(
-      ash::switches::kAshEnableDockedWindows);
-
-  display_manager()->SetUnifiedDesktopEnabled(true);
-
-  // Don't check root window destruction in unified mode.
-  Shell::GetPrimaryRootWindow()->RemoveObserver(this);
-
-  UpdateDisplay("400x500,300x200");
-
-  std::unique_ptr<aura::Window> docked(
-      CreateTestWindowInShellWithBounds(gfx::Rect(10, 10, 50, 50)));
-  docked->SetProperty(aura::client::kShowStateKey, ui::SHOW_STATE_DOCKED);
-  ASSERT_TRUE(wm::GetWindowState(docked.get())->IsDocked());
-  // 48 pixels reserved for launcher shelf height.
-  EXPECT_EQ(gfx::Rect(0, 0, 250, 452).ToString(), docked->bounds().ToString());
-  UpdateDisplay("300x300");
-  // Make sure the window is still docked.
-  EXPECT_TRUE(wm::GetWindowState(docked.get())->IsDocked());
-  EXPECT_EQ(gfx::Rect(0, 0, 250, 252).ToString(), docked->bounds().ToString());
-}
-
 TEST_F(DisplayManagerTest, DockMode) {
   const int64_t internal_id = 1;
   const int64_t external_id = 2;
 
   const display::ManagedDisplayInfo internal_display_info =
       CreateDisplayInfo(internal_id, gfx::Rect(0, 0, 500, 500));
   const display::ManagedDisplayInfo external_display_info =
       CreateDisplayInfo(external_id, gfx::Rect(1, 1, 100, 100));
   std::vector<display::ManagedDisplayInfo> display_info_list;
 
@@ skipping 238 matching lines @@
   display::DisplayIdList list = display::test::CreateDisplayIdList2(id1, id2);
   layout_store->RegisterLayoutForDisplayIdList(list, std::move(old_layout));
   const display::DisplayLayout& stored =
       layout_store->GetRegisteredDisplayLayout(list);
 
   EXPECT_EQ(id1, stored.placement_list[0].parent_display_id);
   EXPECT_EQ(id2, stored.placement_list[0].display_id);
 }
 
 }  // namespace ash