remove ui::gfx::GetDeviceScaleFactor

ui/views/win/hwnd_message_handler.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/win/hwnd_message_handler.h"
 
 #include <dwmapi.h>
 #include <oleacc.h>
 #include <shellapi.h>
 #include <wtsapi32.h>
@@ skipping 1201 matching lines @@
   }
 }
 
 void HWNDMessageHandler::RedrawLayeredWindowContents() {
   waiting_for_redraw_layered_window_contents_ = false;
   if (invalid_rect_.IsEmpty())
     return;
 
   // We need to clip to the dirty rect ourselves.
   layered_window_contents_->sk_canvas()->save();
-  double scale = gfx::win::GetDeviceScaleFactor();
+  double scale = gfx::GetDPIScale();
   layered_window_contents_->sk_canvas()->scale(
       SkScalar(scale),SkScalar(scale));
   layered_window_contents_->ClipRect(invalid_rect_);
   delegate_->PaintLayeredWindow(layered_window_contents_.get());
   layered_window_contents_->sk_canvas()->scale(
       SkScalar(1.0/scale),SkScalar(1.0/scale));
   layered_window_contents_->sk_canvas()->restore();
 
   RECT wr;
   GetWindowRect(hwnd(), &wr);
@@ skipping 1260 matching lines @@
     SetWindowPos(hwnd(), NULL, 0, 0, 0, 0, flags | SWP_HIDEWINDOW);
     SetWindowPos(hwnd(), NULL, 0, 0, 0, 0, flags | SWP_SHOWWINDOW);
   }
   // WM_DWMCOMPOSITIONCHANGED is only sent to top level windows, however we want
   // to notify our children too, since we can have MDI child windows who need to
   // update their appearance.
   EnumChildWindows(hwnd(), &SendDwmCompositionChanged, NULL);
 }
 
 }  // namespace views