[Win] alt + space opens system menu at wrong position in RTL ui.

ui/gfx/win/hwnd_util.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/win/hwnd_util.h"
 
 #include "base/i18n/rtl.h"
 #include "base/strings/string_util.h"
 #include "base/win/metro.h"
 #include "base/win/win_util.h"
@@ skipping 189 matching lines @@
         CrashOther();
         break;
     }
     LOG_GETLASTERROR(FATAL);
   }
 }
 
 void ShowSystemMenu(HWND window) {
   RECT rect;
   GetWindowRect(window, &rect);
-  Point point = Point(rect.left, rect.top);
+  Point point = Point(base::i18n::IsRTL() ? rect.right : rect.left, rect.top);
   static const int kSystemMenuOffset = 10;
-  point.Offset(kSystemMenuOffset, kSystemMenuOffset);
+  point.Offset(base::i18n::IsRTL() ? -kSystemMenuOffset : kSystemMenuOffset,
+               kSystemMenuOffset);
   ShowSystemMenuAtPoint(window, point);
 }
 
 void ShowSystemMenuAtPoint(HWND window, const Point& point) {
   // In the Metro process, we never want to show the system menu.
   if (base::win::IsMetroProcess())
     return;
   UINT flags = TPM_LEFTBUTTON | TPM_RIGHTBUTTON | TPM_RETURNCMD;
   if (base::i18n::IsRTL())
     flags |= TPM_RIGHTALIGN;
@@ skipping 12 matching lines @@
   HMODULE metro = base::win::GetMetroModule();
   if (!metro)
     return get_real_hwnd ? ::GetDesktopWindow() : HWND_DESKTOP;
   // In windows 8 metro-mode the root window is not the desktop.
   RootWindow root_window =
       reinterpret_cast<RootWindow>(::GetProcAddress(metro, "GetRootWindow"));
   return root_window();
 }
 
 }  // namespace gfx