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

chrome/browser/ui/views/frame/glass_browser_frame_view.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 "chrome/browser/ui/views/frame/glass_browser_frame_view.h"
 
 #include "base/prefs/pref_service.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/app/chrome_command_ids.h"
 #include "chrome/app/chrome_dll_resource.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/signin/signin_header_helper.h"
 #include "chrome/browser/themes/theme_properties.h"
 #include "chrome/browser/ui/views/frame/browser_view.h"
 #include "chrome/browser/ui/views/profiles/avatar_menu_button.h"
 #include "chrome/browser/ui/views/profiles/new_avatar_button.h"
 #include "chrome/browser/ui/views/tabs/tab.h"
 #include "chrome/browser/ui/views/tabs/tab_strip.h"
 #include "chrome/browser/ui/views/toolbar/toolbar_view.h"
 #include "chrome/common/pref_names.h"
 #include "components/signin/core/common/profile_management_switches.h"
 #include "content/public/browser/notification_service.h"
 #include "grit/theme_resources.h"
 #include "ui/base/resource/resource_bundle_win.h"
 #include "ui/base/theme_provider.h"
 #include "ui/gfx/canvas.h"
+#include "ui/gfx/dpi.h"
 #include "ui/gfx/icon_util.h"
 #include "ui/gfx/image/image.h"
-#include "ui/gfx/win/dpi.h"
 #include "ui/resources/grit/ui_resources.h"
 #include "ui/views/controls/label.h"
 #include "ui/views/layout/layout_constants.h"
 #include "ui/views/win/hwnd_util.h"
 #include "ui/views/window/client_view.h"
 
 HICON GlassBrowserFrameView::throbber_icons_[
     GlassBrowserFrameView::kThrobberIconCount];
 
 namespace {
@@ skipping 554 matching lines @@
   static bool initialized = false;
   if (!initialized) {
     for (int i = 0; i < kThrobberIconCount; ++i) {
       throbber_icons_[i] =
           ui::LoadThemeIconFromResourcesDataDLL(IDI_THROBBER_01 + i);
       DCHECK(throbber_icons_[i]);
     }
     initialized = true;
   }
 }