Enable hidpi on Linux, refactor a bit on Windows to share

ui/base/l10n/l10n_util_win.cc

 // Copyright (c) 2011 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/base/l10n/l10n_util_win.h"
 
 #include <windowsx.h>
 #include <algorithm>
 #include <iterator>
 
 #include "base/i18n/rtl.h"
 #include "base/lazy_instance.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/win/i18n.h"
 #include "base/win/windows_version.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/gfx/display.h"
-#include "ui/gfx/win/dpi.h"
+#include "ui/gfx/dpi.h"
 #include "ui/strings/grit/app_locale_settings.h"
 
 namespace {
 
 void AdjustLogFont(const base::string16& font_family,
                    double font_size_scaler,
                    double dpi_scale,
                    LOGFONT* logfont) {
   DCHECK(font_size_scaler > 0);
   font_size_scaler = std::max(std::min(font_size_scaler, 2.0), 0.7);
@@ skipping 165 matching lines @@
   } else {
     NOTREACHED() << "Failed to determine the UI language for locale override.";
   }
 }
 
 const std::vector<std::string>& GetLocaleOverrides() {
   return override_locale_holder.Get().value();
 }
 
 }  // namespace l10n_util