gfx: Make conversions from gfx::Point to PointF explicit.

ui/aura/test/ui_controls_factory_ozone.cc

 // Copyright 2014 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 "base/bind.h"
 #include "base/logging.h"
 #include "ui/aura/client/screen_position_client.h"
 #include "ui/aura/env.h"
 #include "ui/aura/test/aura_test_utils.h"
 #include "ui/aura/test/ui_controls_factory_aura.h"
@@ skipping 187 matching lines @@
                         ui::KeyboardCode key_code,
                         int flags) {
     // Do not rewrite injected events. See crbug.com/136465.
     flags |= ui::EF_FINAL;
 
     ui::KeyEvent key_event(type, key_code, flags);
     SendEventToProcessor(&key_event);
   }
 
   void PostMouseEvent(ui::EventType type,
-                      const gfx::PointF& host_location,
+                      const gfx::Point& host_location,
                       int flags,
                       int changed_button_flags) {
     base::MessageLoop::current()->PostTask(
         FROM_HERE,
         base::Bind(&UIControlsOzone::PostMouseEventTask, base::Unretained(this),
                    type, host_location, flags, changed_button_flags));
   }
 
   void PostMouseEventTask(ui::EventType type,
-                          const gfx::PointF& host_location,
+                          const gfx::Point& host_location,
                           int flags,
                           int changed_button_flags) {
     ui::MouseEvent mouse_event(type, host_location, host_location,
                                ui::EventTimeForNow(), flags,
                                changed_button_flags);
 
     // This hack is necessary to set the repeat count for clicks.
     ui::MouseEvent mouse_event2(&mouse_event);
 
     SendEventToProcessor(&mouse_event2);
   }
 
   WindowTreeHost* host_;
 
   // Mask of the mouse buttons currently down.
   unsigned button_down_mask_ = 0;
 
   DISALLOW_COPY_AND_ASSIGN(UIControlsOzone);
 };
 
 }  // namespace
 
 ui_controls::UIControlsAura* CreateUIControlsAura(WindowTreeHost* host) {
   return new UIControlsOzone(host);
 }
 
 }  // namespace test
 }  // namespace aura