Move Windows DPI Code from ui/gfx to ui/display

ui/aura/demo/demo_main.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 <memory>
 
 #include "base/at_exit.h"
 #include "base/command_line.h"
 #include "base/i18n/icu_util.h"
 #include "base/macros.h"
@@ skipping 18 matching lines @@
 #include "ui/gfx/canvas.h"
 #include "ui/gfx/geometry/rect.h"
 #include "ui/gfx/skia_util.h"
 #include "ui/gl/gl_surface.h"
 
 #if defined(USE_X11)
 #include "ui/gfx/x/x11_connection.h"  // nogncheck
 #endif
 
 #if defined(OS_WIN)
-#include "ui/gfx/win/dpi.h"
+#include "ui/display/win/dpi.h"
 #endif
 
 namespace {
 
 // Trivial WindowDelegate implementation that draws a colored background.
 class DemoWindowDelegate : public aura::WindowDelegate {
  public:
   explicit DemoWindowDelegate(SkColor color) : color_(color) {}
 
   // Overridden from WindowDelegate:
@@ skipping 76 matching lines @@
 int DemoMain() {
 #if defined(USE_X11)
   // This demo uses InProcessContextFactory which uses X on a separate Gpu
   // thread.
   gfx::InitializeThreadedX11();
 #endif
 
   gfx::GLSurface::InitializeOneOff();
 
 #if defined(OS_WIN)
-  gfx::SetDefaultDeviceScaleFactor(1.0f);
+  display::win::SetDefaultDeviceScaleFactor(1.0f);
 #endif
 
   // The ContextFactory must exist before any Compositors are created.
   bool context_factory_for_test = false;
   std::unique_ptr<ui::InProcessContextFactory> context_factory(
       new ui::InProcessContextFactory(context_factory_for_test, nullptr));
   context_factory->set_use_test_surface(false);
 
   // Create the message-loop here before creating the root window.
   base::MessageLoopForUI message_loop;
@@ skipping 52 matching lines @@
 int main(int argc, char** argv) {
   base::CommandLine::Init(argc, argv);
 
   // The exit manager is in charge of calling the dtors of singleton objects.
   base::AtExitManager exit_manager;
 
   base::i18n::InitializeICU();
 
   return DemoMain();
 }