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

ui/gfx/transform_util.cc

Index: ui/gfx/transform_util.cc
diff --git a/ui/gfx/transform_util.cc b/ui/gfx/transform_util.cc
index 33c550837acb788c5c94ed6933866e55ea45f486..330ac191da6ff595c06f82b7c0f77b4df9274f0d 100644
--- a/ui/gfx/transform_util.cc
+++ b/ui/gfx/transform_util.cc
@@ -231,7 +231,7 @@ Transform ComposeTransform(const SkMatrix44& perspective,
   return to_return;
 }
 
-bool CheckViewportPointMapsWithinOnePixel(const Point& point,
+bool CheckViewportPointMapsWithinOnePixel(const PointF& point,
                                           const Transform& transform) {
   Point3F point_original(point);
   Point3F point_transformed(point);
@@ -259,12 +259,14 @@ bool CheckTransformsMapsIntViewportWithinOnePixel(const Rect& viewport,
 
   Transform combined = snapped * original_inv;
 
-  return CheckViewportPointMapsWithinOnePixel(viewport.origin(), combined) &&
-         CheckViewportPointMapsWithinOnePixel(viewport.top_right(), combined) &&
-         CheckViewportPointMapsWithinOnePixel(viewport.bottom_left(),
+  return CheckViewportPointMapsWithinOnePixel(gfx::PointF(viewport.origin()),
                                               combined) &&
-         CheckViewportPointMapsWithinOnePixel(viewport.bottom_right(),
-                                              combined);
+         CheckViewportPointMapsWithinOnePixel(gfx::PointF(viewport.top_right()),
+                                              combined) &&
+         CheckViewportPointMapsWithinOnePixel(
+             gfx::PointF(viewport.bottom_left()), combined) &&
+         CheckViewportPointMapsWithinOnePixel(
+             gfx::PointF(viewport.bottom_right()), combined);
 }
 
 }  // namespace