Store rotation/ui scale to local state.

ash/dip_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 <algorithm>
 #include <vector>
 
 #include "ash/display/display_manager.h"
 #include "ash/launcher/launcher.h"
 #include "ash/shelf/shelf_widget.h"
@@ skipping 29 matching lines @@
   EXPECT_EQ("0,0 1000x900", display.bounds().ToString());
   gfx::Rect work_area = display.work_area();
   EXPECT_EQ("0,0 1000x852", work_area.ToString());
   EXPECT_EQ("0,0,48,0", display.bounds().InsetsFrom(work_area).ToString());
 
   UpdateDisplay("2000x1800*2.0f");
   gfx::Screen* screen = Shell::GetScreen();
 
   const gfx::Display display_2x = screen->GetDisplayNearestWindow(root);
   const internal::DisplayInfo display_info_2x =
-      Shell::GetInstance()->display_manager()->GetDisplayInfo(display_2x);
+      Shell::GetInstance()->display_manager()->GetDisplayInfo(display_2x.id());
 
   // The |bounds_in_pixel()| should report bounds in pixel coordinate.
   EXPECT_EQ("1,1 2000x1800",
             display_info_2x.bounds_in_pixel().ToString());
 
   // Aura and views coordinates are in DIP, so they their bounds do not change.
   EXPECT_EQ("0,0 1000x900", display_2x.bounds().ToString());
   work_area = display_2x.work_area();
   EXPECT_EQ("0,0 1000x852", work_area.ToString());
   EXPECT_EQ("0,0,48,0", display_2x.bounds().InsetsFrom(work_area).ToString());
 
   // Sanity check if the workarea's inset hight is same as
   // the launcher's height.
   Launcher* launcher = Launcher::ForPrimaryDisplay();
   EXPECT_EQ(
       display_2x.bounds().InsetsFrom(work_area).height(),
       launcher->shelf_widget()->GetNativeView()->layer()->bounds().height());
 }
 
 }  // namespace ash