gfx: Make conversions from Size to SizeF be explicit.

ui/views/animation/test/ink_drop_animation_test_api.h

Index: ui/views/animation/test/ink_drop_animation_test_api.h
diff --git a/ui/views/animation/test/ink_drop_animation_test_api.h b/ui/views/animation/test/ink_drop_animation_test_api.h
index 0b7ccaefa70bc44319c9f9f39e9b8cce9b0a9785..631c328a028e7f210f02ff0160541d302f54bdd8 100644
--- a/ui/views/animation/test/ink_drop_animation_test_api.h
+++ b/ui/views/animation/test/ink_drop_animation_test_api.h
@@ -5,7 +5,7 @@
 #ifndef UI_VIEWS_ANIMATION_TEST_INK_DROP_ANIMATION_TEST_API_H_
 #define UI_VIEWS_ANIMATION_TEST_INK_DROP_ANIMATION_TEST_API_H_
 
-#include "ui/gfx/geometry/size_f.h"
+#include "ui/gfx/geometry/size.h"
 
 namespace views {
 class InkDropAnimation;
@@ -22,9 +22,9 @@ class InkDropAnimationTestApi {
   ~InkDropAnimationTestApi();
 
   // Wrapper functions the wrapped InkDropedAnimation:
-  void CalculateCircleTransforms(const gfx::SizeF size,
+  void CalculateCircleTransforms(const gfx::Size& size,
                                  InkDropTransforms* transforms_out) const;
-  void CalculateRectTransforms(const gfx::SizeF size,
+  void CalculateRectTransforms(const gfx::Size& size,
                                float corner_radius,
                                InkDropTransforms* transforms_out) const;