Enable high dpi in win/views.

ui/base/win/events_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 <windowsx.h>
 
 #include "ui/base/events/event_constants.h"
 
 #include "base/logging.h"
 #include "base/time.h"
 #include "base/win/win_util.h"
 #include "ui/base/events/event_utils.h"
 #include "ui/base/keycodes/keyboard_code_conversion_win.h"
+#include "ui/base/win/dpi.h"
 #include "ui/gfx/point.h"
 
 namespace ui {
 
 namespace {
 
 // From MSDN: "Mouse" events are flagged with 0xFF515700 if they come
 // from a touch or stylus device.  In Vista or later, they are also flagged
 // with 0x80 if they come from touch.
 #define MOUSEEVENTF_FROMTOUCH (0xFF515700 | 0x80)
@@ skipping 180 matching lines @@
   // Client message. The position is contained in the LPARAM.
   if (IsClientMouseEvent(native_event) && !IsMouseWheelEvent(native_event))
     return gfx::Point(native_event.lParam);
   DCHECK(IsNonClientMouseEvent(native_event) ||
          IsMouseWheelEvent(native_event));
   // Non-client message. The position is contained in a POINTS structure in
   // LPARAM, and is in screen coordinates so we have to convert to client.
   POINT native_point = { GET_X_LPARAM(native_event.lParam),
                          GET_Y_LPARAM(native_event.lParam) };
   ScreenToClient(native_event.hwnd, &native_point);
-  return gfx::Point(native_point);
+  gfx::Point location(native_point);
+  location = ui::win::ScreenToDIPPoint(location);
+  return location;
 }
 
 gfx::Point EventSystemLocationFromNative(
     const base::NativeEvent& native_event) {
   // TODO(ben): Needs to always return screen position here. Returning normal
   // origin for now since that's obviously wrong.
   return gfx::Point(0, 0);
 }
 
 KeyboardCode KeyboardCodeFromNative(const base::NativeEvent& native_event) {
@@ skipping 129 matching lines @@
 }
 
 // Windows emulates mouse messages for touch events.
 bool IsMouseEventFromTouch(UINT message) {
   return (message >= WM_MOUSEFIRST) && (message <= WM_MOUSELAST) &&
       (GetMessageExtraInfo() & MOUSEEVENTF_FROMTOUCH) ==
       MOUSEEVENTF_FROMTOUCH;
 }
 
 }  // namespace ui