(Not ready for review!) Toolbar and views high dpi support.

ui/gfx/screen_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/gfx/screen_win.h"
 
 #include <windows.h>
 
 #include "base/logging.h"
+#include "ui/base/win/dpi.h"
 #include "ui/gfx/display.h"
 
 namespace {
 
 MONITORINFO GetMonitorInfoForMonitor(HMONITOR monitor) {
   MONITORINFO monitor_info = { 0 };
   monitor_info.cbSize = sizeof(monitor_info);
   GetMonitorInfo(monitor, &monitor_info);
   return monitor_info;
 }
@@ skipping 19 matching lines @@
 #if defined(ENABLE_HIDPI)
   return true;
 #else
   return false;
 #endif
 }
 
 gfx::Point ScreenWin::GetCursorScreenPoint() {
   POINT pt;
   GetCursorPos(&pt);
+  if (IsDIPEnabled()) {
+    static float os_scale = ui::GetDPIScale();
+    pt.x *= os_scale;
+    pt.y *= os_scale;
+  }
   return gfx::Point(pt);
 }
 
 gfx::NativeWindow ScreenWin::GetWindowAtCursorScreenPoint() {
   POINT location;
   HWND window_hwnd = GetCursorPos(&location) ? WindowFromPoint(location) : NULL;
   return GetNativeWindowFromHWND(window_hwnd);
 }
 
 int ScreenWin::GetNumDisplays() {
@@ skipping 72 matching lines @@
 #endif  // USE_AURA
 }
 
 #if !defined(USE_AURA)
 Screen* CreateNativeScreen() {
   return new ScreenWin;
 }
 #endif  // !USE_AURA
 
 }  // namespace gfx