chromeos: Remove AshTestBase::SupportsMultipleDisplays

ash/common/wallpaper/wallpaper_controller_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/common/wallpaper/wallpaper_controller.h"
 
 #include <cmath>
 #include <cstdlib>
 
 #include "ash/common/wallpaper/wallpaper_view.h"
@@ skipping 330 matching lines @@
 
   EXPECT_TRUE(root_window_controller->wallpaper_widget_controller());
   EXPECT_FALSE(root_window_controller->animating_wallpaper_widget_controller()
                    ->GetController(false));
   // The wallpaper controller should be the last created animating controller.
   EXPECT_EQ(animating_controller,
             root_window_controller->wallpaper_widget_controller());
 }
 
 TEST_F(WallpaperControllerTest, ResizeCustomWallpaper) {
-  if (!SupportsMultipleDisplays())
-    return;
-
   UpdateDisplay("320x200");
 
   gfx::ImageSkia image = CreateImage(640, 480, kCustomWallpaperColor);
 
   // Set the image as custom wallpaper, wait for the resize to finish, and check
   // that the resized image is the expected size.
   controller_->SetWallpaperImage(image, WALLPAPER_LAYOUT_STRETCH);
   EXPECT_TRUE(image.BackedBySameObjectAs(controller_->GetWallpaper()));
   RunAllBlockingPoolTasksUntilIdle(WmShell::Get()->blocking_pool().get());
   gfx::ImageSkia resized_image = controller_->GetWallpaper();
@@ skipping 17 matching lines @@
   // Rotated display should return the rotated size.
   UpdateDisplay("1000x300*2/r");
   EXPECT_EQ("300x1000",
             WallpaperController::GetMaxDisplaySizeInNative().ToString());
 
   // UI Scaling shouldn't affect the native size.
   UpdateDisplay("1000x300*2@1.5");
   EXPECT_EQ("1000x300",
             WallpaperController::GetMaxDisplaySizeInNative().ToString());
 
-  if (!SupportsMultipleDisplays())
-    return;
-
   // First display has maximum size.
   UpdateDisplay("400x300,100x100");
   EXPECT_EQ("400x300",
             WallpaperController::GetMaxDisplaySizeInNative().ToString());
 
   // Second display has maximum size.
   UpdateDisplay("400x300,500x600");
   EXPECT_EQ("500x600",
             WallpaperController::GetMaxDisplaySizeInNative().ToString());
 
@@ skipping 63 matching lines @@
   {
     SCOPED_TRACE(base::StringPrintf("1200x600/u@1.5 low resolution"));
     controller_->SetWallpaperImage(image_low_res, WALLPAPER_LAYOUT_CENTER);
     WallpaperFitToNativeResolution(
         wallpaper_view(), low_dsf, low_resolution.width(),
         low_resolution.height(), kCustomWallpaperColor);
   }
 }
 
 }  // namespace ash