Cleanup: Enable 125DSFForUIScaling on by default

ash/display/display_manager.cc

Index: ash/display/display_manager.cc
diff --git a/ash/display/display_manager.cc b/ash/display/display_manager.cc
index 0d6192cbca1a2946c72ad3cfea225c7e0da7c102..ca7dc4e6cf71168dc66285d226cc0174dd5b5f68 100644
--- a/ash/display/display_manager.cc
+++ b/ash/display/display_manager.cc
@@ -136,10 +136,6 @@ DisplayManager::DisplayManager()
       registered_internal_display_rotation_(gfx::Display::ROTATE_0),
       weak_ptr_factory_(this) {
 #if defined(OS_CHROMEOS)
-  // Enable only on the device so that DisplayManagerFontTest passes.
-  if (base::SysInfo::IsRunningOnChromeOS())
-    DisplayInfo::SetUse125DSFForUIScaling(true);
-
   change_display_upon_host_resize_ = !base::SysInfo::IsRunningOnChromeOS();
 #endif
   gfx::Screen::SetScreenInstance(gfx::SCREEN_TYPE_ALTERNATE, screen_.get());