Inline hot ctor/dtors for struct-like gfx:: geometry types

ui/gfx/point_f.h

Index: ui/gfx/point_f.h
diff --git a/ui/gfx/point_f.h b/ui/gfx/point_f.h
index 7a828befcd163da693d5b381b608d0b566c39f0f..a7b841f23db9faa802e61bc7b9f1662b3c4fd3f5 100644
--- a/ui/gfx/point_f.h
+++ b/ui/gfx/point_f.h
@@ -16,9 +16,9 @@ namespace gfx {
 // A floating version of gfx::Point.
 class UI_EXPORT PointF : public PointBase<PointF, float, Vector2dF> {
  public:
-  PointF();
-  PointF(float x, float y);
-  ~PointF();
+  PointF() : PointBase<PointF, float, Vector2dF>(0, 0) {}
+  PointF(float x, float y) : PointBase<PointF, float, Vector2dF>(x, y) {}
+  ~PointF() {}
 
   void Scale(float scale) {
     Scale(scale, scale);