Explicitly convert Point to PointF for event code

ui/aura/window_tree_host_x11.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/aura/window_tree_host_x11.h"
 
 #include <strings.h>
 #include <X11/cursorfont.h>
 #include <X11/extensions/XInput2.h>
 #include <X11/extensions/Xrandr.h>
@@ skipping 151 matching lines @@
       // When there is a top bezel we add our border,
       y -= top_;
       // Scale the screen area back to the full resolution of the screen.
       y = (y * resolution_y) / (resolution_y - (bottom_ + top_));
     }
 
     // Set the modified coordinate back to the event.
     if (event->root_location() == event->location()) {
       // Usually those will be equal,
       // if not, I am not sure what the correct value should be.
-      event->set_root_location(gfx::Point(x, y));
+      event->set_root_location(gfx::PointF(x, y));
     }
-    event->set_location(gfx::Point(x, y));
+    event->set_location(gfx::PointF(x, y));
   }
 
  private:
   // ui::PlatformEventObserver:
   void WillProcessEvent(const ui::PlatformEvent& event) override {
     if (event->type == GenericEvent &&
         (event->xgeneric.evtype == XI_TouchBegin ||
          event->xgeneric.evtype == XI_TouchUpdate ||
          event->xgeneric.evtype == XI_TouchEnd)) {
       XIDeviceEvent* xievent = static_cast<XIDeviceEvent*>(event->xcookie.data);
@@ skipping 477 matching lines @@
 }
 
 namespace test {
 
 void SetUseOverrideRedirectWindowByDefault(bool override_redirect) {
   default_override_redirect = override_redirect;
 }
 
 }  // namespace test
 }  // namespace aura