Set gfx::Display rotation on Windows.

ui/gfx/screen_win.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/gfx/screen_win.h"
 
 #include <windows.h>
 
 #include "base/hash.h"
 #include "base/logging.h"
@@ skipping 13 matching lines @@
 }
 
 gfx::Display GetDisplay(MONITORINFOEX& monitor_info) {
   // TODO(oshima): Implement Observer.
   int64 id = static_cast<int64>(
       base::Hash(base::WideToUTF8(monitor_info.szDevice)));
   gfx::Rect bounds = gfx::Rect(monitor_info.rcMonitor);
   gfx::Display display(id, bounds);
   display.set_work_area(gfx::Rect(monitor_info.rcWork));
   display.SetScaleAndBounds(gfx::win::GetDeviceScaleFactor(), bounds);
+
+  DEVMODE mode;
+  memset(&mode, 0, sizeof(DEVMODE));
+  mode.dmSize = sizeof(DEVMODE);
+  mode.dmDriverExtra = 0;
+  if (EnumDisplaySettings(monitor_info.szDevice,
+                          ENUM_CURRENT_SETTINGS,
+                          &mode)) {
+    switch (mode.dmDisplayOrientation) {
+    case DMDO_DEFAULT:
+      display.set_rotation(gfx::Display::ROTATE_0);
+      break;
+    case DMDO_90:
+      display.set_rotation(gfx::Display::ROTATE_90);
+      break;
+    case DMDO_180:
+      display.set_rotation(gfx::Display::ROTATE_180);
+      break;
+    case DMDO_270:
+      display.set_rotation(gfx::Display::ROTATE_270);
+      break;
+    default:
+      NOTREACHED();
+    }
+  }
+
   return display;
 }
 
 BOOL CALLBACK EnumMonitorCallback(HMONITOR monitor,
                                   HDC hdc,
                                   LPRECT rect,
                                   LPARAM data) {
   std::vector<gfx::Display>* all_displays =
       reinterpret_cast<std::vector<gfx::Display>*>(data);
   DCHECK(all_displays);
@@ skipping 107 matching lines @@
   NOTREACHED();
   return NULL;
 }
 
 NativeWindow ScreenWin::GetNativeWindowFromHWND(HWND hwnd) const {
   NOTREACHED();
   return NULL;
 }
 
 }  // namespace gfx