gfx: Make conversions from Size to SizeF be explicit.

ui/views/animation/test/ink_drop_animation_test_api.cc

Index: ui/views/animation/test/ink_drop_animation_test_api.cc
diff --git a/ui/views/animation/test/ink_drop_animation_test_api.cc b/ui/views/animation/test/ink_drop_animation_test_api.cc
index b890f46a2ff80c060afb95272fbf36a1a71c3a45..0f86812a42de2a35ead85751c45a0ce92469d3e1 100644
--- a/ui/views/animation/test/ink_drop_animation_test_api.cc
+++ b/ui/views/animation/test/ink_drop_animation_test_api.cc
@@ -15,12 +15,12 @@ InkDropAnimationTestApi::InkDropAnimationTestApi(
 InkDropAnimationTestApi::~InkDropAnimationTestApi() {}
 
 void InkDropAnimationTestApi::CalculateCircleTransforms(
-    const gfx::SizeF size,
+    const gfx::Size& size,
     InkDropTransforms* transforms_out) const {
   ink_drop_animation_->CalculateCircleTransforms(size, transforms_out);
 }
 void InkDropAnimationTestApi::CalculateRectTransforms(
-    const gfx::SizeF size,
+    const gfx::Size& size,
     float corner_radius,
     InkDropTransforms* transforms_out) const {
   ink_drop_animation_->CalculateRectTransforms(size, corner_radius,