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

ui/chromeos/touch_exploration_controller.h

 // 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.
 
 #ifndef UI_CHROMEOS_TOUCH_EXPLORATION_CONTROLLER_H_
 #define UI_CHROMEOS_TOUCH_EXPLORATION_CONTROLLER_H_
 
 #include "base/time/tick_clock.h"
 #include "base/timer/timer.h"
 #include "base/values.h"
@@ skipping 240 matching lines @@
 
   // Binds DispatchShiftSearchKeyEvent to a specific third key.
   base::Closure BindShiftSearchKeyEvent(const ui::KeyboardCode third_key);
 
   // Dispatches a single key with the given flags.
   void DispatchKeyWithFlags(const ui::KeyboardCode key, int flags);
 
   // Binds DispatchKeyWithFlags to a specific key and flags.
   base::Closure BindKeyEventWithFlags(const ui::KeyboardCode key, int flags);
 
-  scoped_ptr<ui::Event> CreateMouseMoveEvent(const gfx::PointF& location,
-                                             int flags);
+  scoped_ptr<ui::MouseEvent> CreateMouseMoveEvent(const gfx::PointF& location,
+                                                  int flags);
 
   void EnterTouchToMouseMode();
 
   void PlaySoundForTimer();
 
   // Some constants used in touch_exploration_controller:
 
   // Within this many dips of the screen edge, the release event generated will
   // reset the state to NoFingersDown.
   const float kLeavingScreenEdge = 6;
@@ skipping 197 matching lines @@
   std::map<int, base::Closure> right_swipe_gestures_;
   std::map<int, base::Closure> up_swipe_gestures_;
   std::map<int, base::Closure> down_swipe_gestures_;
 
   DISALLOW_COPY_AND_ASSIGN(TouchExplorationController);
 };
 
 }  // namespace ui
 
 #endif  // UI_CHROMEOS_TOUCH_EXPLORATION_CONTROLLER_H_