Prevent DisplayPreferences from saving incorrect rotations.

ash/display/root_window_transformers.cc

 // Copyright (c) 2013 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/root_window_transformers.h"
 
 #include <cmath>
 
 #include "ash/ash_switches.h"
 #include "ash/display/display_info.h"
@@ skipping 44 matching lines @@
                                        const gfx::Display& display) {
   DisplayInfo info =
       Shell::GetInstance()->display_manager()->GetDisplayInfo(display.id());
 
   // TODO(oshima): Add animation. (crossfade+rotation, or just cross-fade)
 #if defined(OS_WIN)
   // Windows 8 bots refused to resize the host window, and
   // updating the transform results in incorrectly resizing
   // the root window. Don't apply the transform unless
   // necessary so that unit tests pass on win8 bots.
-  if (info.rotation() == root_window->GetProperty(kRotationPropertyKey))
+  if (info.GetActiveRotation() ==
+      root_window->GetProperty(kRotationPropertyKey)) {
     return gfx::Transform();
-  root_window->SetProperty(kRotationPropertyKey, info.rotation());
+  }
+  root_window->SetProperty(kRotationPropertyKey, info.GetActiveRotation());
 #endif
 
   gfx::Transform rotate;
   // The origin is (0, 0), so the translate width/height must be reduced by
   // 1 pixel.
   float one_pixel = 1.0f / display.device_scale_factor();
-  switch (info.rotation()) {
+  switch (info.GetActiveRotation()) {
     case gfx::Display::ROTATE_0:
       break;
     case gfx::Display::ROTATE_90:
       rotate.Translate(display.bounds().height() - one_pixel, 0);
       rotate.Rotate(90);
       break;
     case gfx::Display::ROTATE_270:
       rotate.Translate(0, display.bounds().width() - one_pixel);
       rotate.Rotate(270);
       break;
@@ skipping 197 matching lines @@
 }
 
 RootWindowTransformer* CreateRootWindowTransformerForMirroredDisplay(
     const DisplayInfo& source_display_info,
     const DisplayInfo& mirror_display_info) {
   return new MirrorRootWindowTransformer(source_display_info,
                                          mirror_display_info);
 }
 
 }  // namespace ash