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

ui/gfx/interpolated_transform.h

 // 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.
 
 #ifndef UI_GFX_INTERPOLATED_TRANSFORM_H_
 #define UI_GFX_INTERPOLATED_TRANSFORM_H_
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 #include "ui/gfx/geometry/point.h"
@@ skipping 145 matching lines @@
 
  private:
   const gfx::Point3F start_scale_;
   const gfx::Point3F end_scale_;
 
   DISALLOW_COPY_AND_ASSIGN(InterpolatedScale);
 };
 
 class GFX_EXPORT InterpolatedTranslation : public InterpolatedTransform {
  public:
-  InterpolatedTranslation(const gfx::Point& start_pos,
-                          const gfx::Point& end_pos);
-  InterpolatedTranslation(const gfx::Point& start_pos,
-                          const gfx::Point& end_pos,
+  InterpolatedTranslation(const gfx::PointF& start_pos,
+                          const gfx::PointF& end_pos);
+  InterpolatedTranslation(const gfx::PointF& start_pos,
+                          const gfx::PointF& end_pos,
                           float start_time,
                           float end_time);
   InterpolatedTranslation(const gfx::Point3F& start_pos,
                           const gfx::Point3F& end_pos);
   InterpolatedTranslation(const gfx::Point3F& start_pos,
                           const gfx::Point3F& end_pos,
                           float start_time,
                           float end_time);
   ~InterpolatedTranslation() override;
 
@@ skipping 82 matching lines @@
   void Init(const gfx::Transform& start_transform,
             const gfx::Transform& end_transform);
 
   gfx::DecomposedTransform start_decomp_;
   gfx::DecomposedTransform end_decomp_;
 };
 
 } // namespace ui
 
 #endif  // UI_GFX_INTERPOLATED_TRANSFORM_H_