Calls display_configuration_controller to rotate screen in accelerator_controller_delegate_aura

ash/accelerators/accelerator_controller_delegate_aura.cc

Index: ash/accelerators/accelerator_controller_delegate_aura.cc
diff --git a/ash/accelerators/accelerator_controller_delegate_aura.cc b/ash/accelerators/accelerator_controller_delegate_aura.cc
index 16313bd039f056315c2d3d55a13655e0ca14c757..a81e19bfac10e52cf0e764c482eafd195fe2a92f 100644
--- a/ash/accelerators/accelerator_controller_delegate_aura.cc
+++ b/ash/accelerators/accelerator_controller_delegate_aura.cc
@@ -166,9 +166,9 @@ void HandleRotateScreen() {
       display::Screen::GetScreen()->GetDisplayNearestPoint(point);
   const display::ManagedDisplayInfo& display_info =
       Shell::GetInstance()->display_manager()->GetDisplayInfo(display.id());
-  ScreenRotationAnimator(display.id())
-      .Rotate(GetNextRotation(display_info.GetActiveRotation()),
-              display::Display::ROTATION_SOURCE_USER);
+  Shell::GetInstance()->display_configuration_controller()->SetDisplayRotation(

[bruthig, 2017/02/28 19:11:46]

Do any SetDisplayRotation() call sites even pass false for the |user_action|? 
If not feel free to remove that param ;)

[wutao, 2017/02/28 20:29:09]

All 3 call sites pass true, therefore remove the param.

+      display.id(), GetNextRotation(display_info.GetActiveRotation()),
+      display::Display::ROTATION_SOURCE_USER, true /*user_action*/);
 }
 
 // Rotate the active window.