Reapply the non-MathExtras parts of

Source/platform/geometry/FloatPoint.h

Index: Source/platform/geometry/FloatPoint.h
diff --git a/Source/platform/geometry/FloatPoint.h b/Source/platform/geometry/FloatPoint.h
index 445f60262b9cc297b52d4c30461c0dd484991a4e..2790757969a2f705f5b97cca4f790014d8aa53e9 100644
--- a/Source/platform/geometry/FloatPoint.h
+++ b/Source/platform/geometry/FloatPoint.h
@@ -215,22 +215,22 @@ inline float operator*(const FloatPoint& a, const FloatPoint& b)
 
 inline IntPoint roundedIntPoint(const FloatPoint& p)
 {
-    return IntPoint(clampToInteger(roundf(p.x())), clampToInteger(roundf(p.y())));
+    return IntPoint(clampTo<int>(roundf(p.x())), clampTo<int>(roundf(p.y())));
 }
 
 inline IntPoint flooredIntPoint(const FloatPoint& p)
 {
-    return IntPoint(clampToInteger(floorf(p.x())), clampToInteger(floorf(p.y())));
+    return IntPoint(clampTo<int>(floorf(p.x())), clampTo<int>(floorf(p.y())));
 }
 
 inline IntPoint ceiledIntPoint(const FloatPoint& p)
 {
-    return IntPoint(clampToInteger(ceilf(p.x())), clampToInteger(ceilf(p.y())));
+    return IntPoint(clampTo<int>(ceilf(p.x())), clampTo<int>(ceilf(p.y())));
 }
 
 inline IntSize flooredIntSize(const FloatPoint& p)
 {
-    return IntSize(clampToInteger(floorf(p.x())), clampToInteger(floorf(p.y())));
+    return IntSize(clampTo<int>(floorf(p.x())), clampTo<int>(floorf(p.y())));
 }
 
 inline FloatSize toFloatSize(const FloatPoint& a)