gfx: Make conversions from Size to SizeF be explicit.

ui/views/animation/ink_drop_animation.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 UI_VIEWS_ANIMATION_INK_DROP_ANIMATION_H_
 #define UI_VIEWS_ANIMATION_INK_DROP_ANIMATION_H_
 
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/time/time.h"
@@ skipping 79 matching lines @@
 
   // Sets the |transforms| on all of the shape layers. Note that this does not
   // perform any animation.
   void SetTransforms(const InkDropTransforms transforms);
 
   // Sets the opacity of the ink drop.
   void SetOpacity(float opacity);
 
   // Updates all of the Transforms in |transforms_out| for a circle of the given
   // |size|.
-  void CalculateCircleTransforms(const gfx::SizeF& size,
+  void CalculateCircleTransforms(const gfx::Size& size,
                                  InkDropTransforms* transforms_out) const;
 
   // Updates all of the Transforms in |transforms_out| for a rounded rectangle
   // of the given |size| and |corner_radius|.
-  void CalculateRectTransforms(const gfx::SizeF& size,
+  void CalculateRectTransforms(const gfx::Size& size,
                                float corner_radius,
                                InkDropTransforms* transforms_out) const;
 
   // Updates all of the Transforms in |transforms_out| to the current target
   // Transforms of the Layers.
   void GetCurrentTansforms(InkDropTransforms* transforms_out) const;
 
   // Adds and configures a new |painted_shape| layer to |painted_layers_|.
   void AddPaintLayer(PaintedShape painted_shape);
 
@@ skipping 29 matching lines @@
 
   // The current ink drop state.
   InkDropState ink_drop_state_;
 
   DISALLOW_COPY_AND_ASSIGN(InkDropAnimation);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_ANIMATION_INK_DROP_ANIMATION_H_