ash: Restore user selected rotation on startup

ash/display/display_manager_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/display/display_manager.h"
 
 #include "ash/ash_switches.h"
 #include "ash/display/display_controller.h"
 #include "ash/display/display_info.h"
 #include "ash/display/display_layout_store.h"
@@ skipping 1743 matching lines @@
       Shell::GetScreen()->GetPrimaryDisplay().id(), 0.8f);
 
   ASSERT_DOUBLE_EQ(
       1.25f, Shell::GetScreen()->GetPrimaryDisplay().device_scale_factor());
   EXPECT_TRUE(IsTextSubpixelPositioningEnabled());
   EXPECT_EQ(gfx::FontRenderParams::HINTING_NONE, GetFontHintingParams());
 
   DisplayInfo::SetUse125DSFForUIScaling(false);
 }
 
+TEST_F(DisplayManagerTest, CheckInitializationOfRotationProperty) {
+  int64_t id = display_manager()->GetDisplayAt(0).id();
+  display_manager()->RegisterDisplayProperty(id, gfx::Display::ROTATE_90, 1.0f,
+                                             nullptr, gfx::Size(), 1.0f,
+                                             ui::COLOR_PROFILE_STANDARD);
+
+  const DisplayInfo& info = display_manager()->GetDisplayInfo(id);
+
+  EXPECT_EQ(gfx::Display::ROTATE_90,
+            info.GetRotation(gfx::Display::ROTATION_SOURCE_USER));
+  EXPECT_EQ(gfx::Display::ROTATE_90,
+            info.GetRotation(gfx::Display::ROTATION_SOURCE_ACTIVE));
+}
+
 #endif  // OS_CHROMEOS
 
 }  // namespace ash