remove IsInHighDPIMode

ui/views/widget/desktop_aura/desktop_window_tree_host_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/views/widget/desktop_aura/desktop_window_tree_host_win.h"
 
 #include "base/win/metro.h"
 #include "third_party/skia/include/core/SkPath.h"
 #include "third_party/skia/include/core/SkRegion.h"
 #include "ui/aura/client/aura_constants.h"
@@ skipping 268 matching lines @@
   gfx::Rect pixel_bounds = gfx::Rect(monitor_info.rcWork);
   return gfx::win::ScreenToDIPRect(pixel_bounds);
 }
 
 void DesktopWindowTreeHostWin::SetShape(gfx::NativeRegion native_region) {
   if (native_region) {
     // TODO(wez): This would be a lot simpler if we were passed an SkPath.
     // See crbug.com/410593.
     gfx::NativeRegion shape = native_region;
     SkRegion device_region;
-    if (gfx::IsInHighDPIMode()) {
+    if (gfx::GetDPIScale() > 1.0) {
       shape = &device_region;
       const float& scale = gfx::GetDPIScale();
       std::vector<SkIRect> rects;
       for (SkRegion::Iterator it(*native_region); !it.done(); it.next()) {
         const SkIRect& rect = it.rect();
         SkRect scaled_rect =
             SkRect::MakeLTRB(rect.left() * scale, rect.top() * scale,
                              rect.right() * scale, rect.bottom() * scale);
         SkIRect rounded_scaled_rect;
         scaled_rect.roundOut(&rounded_scaled_rect);
@@ skipping 699 matching lines @@
 
 // static
 DesktopWindowTreeHost* DesktopWindowTreeHost::Create(
     internal::NativeWidgetDelegate* native_widget_delegate,
     DesktopNativeWidgetAura* desktop_native_widget_aura) {
   return new DesktopWindowTreeHostWin(native_widget_delegate,
                                       desktop_native_widget_aura);
 }
 
 }  // namespace views