SetDeviceScaleFactorForTest

ui/views/widget/desktop_aura/desktop_screen_x11.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/views/widget/desktop_aura/desktop_screen_x11.h"
 
 #include <X11/extensions/Xrandr.h>
 #include <X11/Xlib.h>
 
 // It clashes with out RootWindow.
@@ skipping 253 matching lines @@
           this,
           &DesktopScreenX11::ConfigureTimerFired);
     }
   } else {
     NOTREACHED();
   }
 
   return ui::POST_DISPATCH_NONE;
 }
 
-// static
-void DesktopScreenX11::UpdateDeviceScaleFactorForTest() {
-  DesktopScreenX11* screen =
-      static_cast<DesktopScreenX11*>(display::Screen::GetScreen());
-  screen->ConfigureTimerFired();
+void DesktopScreenX11::SetDeviceScaleFactorForTest(float scale_factor) {
+  LOG(ERROR) << "SetDSF:" << scale_factor;
+  display::Display::SetForceDeviceScaleFactorForTesting(scale_factor);
+  ConfigureTimerFired();
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // DesktopScreenX11, private:
 
 DesktopScreenX11::DesktopScreenX11(
     const std::vector<display::Display>& test_displays)
     : xdisplay_(gfx::GetXDisplay()),
       x_root_window_(DefaultRootWindow(xdisplay_)),
       has_xrandr_(false),
@@ skipping 115 matching lines @@
       GetPrimaryDisplay().device_scale_factor());
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 
 display::Screen* CreateDesktopScreen() {
   return new DesktopScreenX11;
 }
 
 }  // namespace views