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

content/common/input/synthetic_smooth_drag_gesture_params.h

 // Copyright 2015 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 CONTENT_COMMON_INPUT_SYNTHETIC_SMOOTH_DRAG_GESTURE_PARAMS_H_
 #define CONTENT_COMMON_INPUT_SYNTHETIC_SMOOTH_DRAG_GESTURE_PARAMS_H_
 
 #include <vector>
 
 #include "content/common/content_export.h"
 #include "content/common/input/synthetic_gesture_params.h"
-#include "ui/gfx/geometry/point.h"
+#include "ui/gfx/geometry/point_f.h"
 #include "ui/gfx/geometry/vector2d.h"
 
 namespace content {
 
 struct CONTENT_EXPORT SyntheticSmoothDragGestureParams
     : public SyntheticGestureParams {
  public:
   SyntheticSmoothDragGestureParams();
   SyntheticSmoothDragGestureParams(
       const SyntheticSmoothDragGestureParams& other);
   ~SyntheticSmoothDragGestureParams() override;
 
   GestureType GetGestureType() const override;
 
   gfx::PointF start_point;
   std::vector<gfx::Vector2dF> distances;
   float speed_in_pixels_s;
 
   static const SyntheticSmoothDragGestureParams* Cast(
       const SyntheticGestureParams* gesture_params);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_COMMON_INPUT_SYNTHETIC_SMOOTH_DRAG_GESTURE_PARAMS_H_