Handle floating point coordinates from ozone to exosphere

ui/events/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 <stdint.h>
 #include <windowsx.h>
 
 #include "ui/events/event_constants.h"
 
 #include "base/logging.h"
@@ skipping 237 matching lines @@
            IsMouseWheelEvent(native_event) || IsScrollEvent(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.
     native_point.x = GET_X_LPARAM(native_event.lParam);
     native_point.y = GET_Y_LPARAM(native_event.lParam);
   }
   ScreenToClient(native_event.hwnd, &native_point);
   return gfx::Point(native_point);
 }
 
+gfx::PointF EventLocationFromNativeF(const base::NativeEvent& native_event) {
+  return gfx::PointF(EventLocationFromNative(native_event));
+}
+
 gfx::Point EventSystemLocationFromNative(
     const base::NativeEvent& native_event) {
   POINT global_point = { static_cast<short>(LOWORD(native_event.lParam)),
                          static_cast<short>(HIWORD(native_event.lParam)) };
   // Wheel events have position in screen coordinates.
   if (!IsMouseWheelEvent(native_event))
     ClientToScreen(native_event.hwnd, &global_point);
   return gfx::Point(global_point);
 }
 
@@ skipping 147 matching lines @@
 }
 
 LPARAM GetLParamFromScanCode(uint16_t scan_code) {
   LPARAM l_param = static_cast<LPARAM>(scan_code & 0x00FF) << 16;
   if ((scan_code & 0xE000) == 0xE000)
     l_param |= (1 << 24);
   return l_param;
 }
 
 }  // namespace ui