chromeos: Remove AshTestBase::SupportsMultipleDisplays

ash/drag_drop/drag_drop_tracker_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/drag_drop/drag_drop_tracker.h"
 
 #include <memory>
 
 #include "ash/common/scoped_root_window_for_new_windows.h"
 #include "ash/common/wm_shell.h"
@@ skipping 32 matching lines @@
   static ui::LocatedEvent* ConvertEvent(aura::Window* target,
                                         const ui::MouseEvent& event) {
     std::unique_ptr<DragDropTracker> tracker(
         new DragDropTracker(Shell::GetPrimaryRootWindow(), NULL));
     ui::LocatedEvent* converted = tracker->ConvertEvent(target, event);
     return converted;
   }
 };
 
 TEST_F(DragDropTrackerTest, GetTarget) {
-  if (!SupportsMultipleDisplays())
-    return;
-
   UpdateDisplay("200x200,300x300");
   aura::Window::Windows root_windows = Shell::GetAllRootWindows();
   EXPECT_EQ(2U, root_windows.size());
 
   std::unique_ptr<aura::Window> window0(
       CreateTestWindow(gfx::Rect(0, 0, 100, 100)));
   window0->Show();
 
   std::unique_ptr<aura::Window> window1(
       CreateTestWindow(gfx::Rect(300, 100, 100, 100)));
@@ skipping 42 matching lines @@
   // |window1| covers.
   EXPECT_EQ(window1.get(), GetTarget(gfx::Point(150, 150)));
 
   // Start tracking from the RootWindow1 and check the point on RootWindow1 that
   // neither |window0| nor |window1| covers.
   EXPECT_NE(window0.get(), GetTarget(gfx::Point(50, 50)));
   EXPECT_NE(window1.get(), GetTarget(gfx::Point(50, 50)));
 }
 
 TEST_F(DragDropTrackerTest, ConvertEvent) {
-  if (!SupportsMultipleDisplays())
-    return;
-
   UpdateDisplay("200x200,300x300");
   aura::Window::Windows root_windows = Shell::GetAllRootWindows();
   EXPECT_EQ(2U, root_windows.size());
 
   std::unique_ptr<aura::Window> window0(
       CreateTestWindow(gfx::Rect(0, 0, 100, 100)));
   window0->Show();
 
   std::unique_ptr<aura::Window> window1(
       CreateTestWindow(gfx::Rect(300, 100, 100, 100)));
@@ skipping 51 matching lines @@
   std::unique_ptr<ui::LocatedEvent> converted11(
       ConvertEvent(window1.get(), original11));
   EXPECT_EQ(original11.type(), converted11->type());
   EXPECT_EQ("50,50", converted11->location().ToString());
   EXPECT_EQ("150,150", converted11->root_location().ToString());
   EXPECT_EQ(original11.flags(), converted11->flags());
 }
 
 }  // namespace test
 }  // namespace aura