chromeos: Remove AshTestBase::SupportsMultipleDisplays

ash/magnifier/partial_magnification_controller_unittest.cc

 // Copyright 2016 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/magnifier/magnification_controller.h"
 #include "ash/magnifier/partial_magnification_controller.h"
 #include "ash/shell.h"
 #include "ash/test/ash_test_base.h"
 #include "ui/display/manager/display_manager.h"
 #include "ui/events/test/event_generator.h"
@@ skipping 71 matching lines @@
   EXPECT_TRUE(GetTestApi().is_active());
   EXPECT_TRUE(GetTestApi().host_widget());
   GetEventGenerator().ReleaseTouch();
   EXPECT_FALSE(GetTestApi().is_active());
   EXPECT_FALSE(GetTestApi().host_widget());
 }
 
 // Verifies that nothing bad happens if a second display is disconnected while
 // the magnifier is active.
 TEST_F(PartialMagnificationControllerTest, MultipleDisplays) {
-  if (!SupportsMultipleDisplays())
-    return;
   GetEventGenerator().EnterPenPointerMode();
 
   // Active magnifier with two displays, move it to the second display.
   UpdateDisplay("800x600,800x600");
   GetController()->SetEnabled(true);
   GetEventGenerator().PressTouch();
   GetEventGenerator().MoveTouch(gfx::Point(1200, 300));
   EXPECT_TRUE(GetTestApi().is_active());
   EXPECT_TRUE(GetTestApi().host_widget());
 
@@ skipping 52 matching lines @@
 
   // Make sure the window is initially placed correctly.
   GetEventGenerator().set_current_location(gfx::Point(50, 20));
   EXPECT_FALSE(GetTestApi().is_active());
   GetEventGenerator().PressTouch();
   EXPECT_EQ(GetEventGenerator().current_location() + offset,
             GetTestApi().GetWidgetOrigin());
 }
 
 }  // namespace ash