Send the device scale factor from Windows 8 ASH during initialization via the MetroViewerHostMsg_Se…

ui/base/win/dpi_setup.cc

 // Copyright (c) 2013 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/win/dpi_setup.h"
 
 #include "base/command_line.h"
 #include "ui/base/layout.h"
 #include "ui/gfx/display.h"
 #include "ui/gfx/win/dpi.h"
 
 namespace ui {
 namespace win {
 
 void InitDeviceScaleFactor() {
-  float scale = 1.0;
-  if (CommandLine::ForCurrentProcess()->HasSwitch("silent-launch")) {
-    if (gfx::IsHighDPIEnabled())
-      scale = gfx::GetModernUIScale();
-  }
-  else {
-    scale = gfx::GetDPIScale();
-  }
-  gfx::InitDeviceScaleFactor(scale);
+  gfx::InitDeviceScaleFactor(gfx::GetDPIScale());
 }
 
 }  // namespace win
 }  // namespace ui