Cleanup.

Runtime/ui/painting/txt/text_blob.cs

 namespace Unity.UIWidgets.ui {
     public struct TextBlob {
+
+            this._positions = positions;
-            this._positions = positions;
-                var pos = this._positions[this.textOffset];
-                return Rect.fromLTWH(this._bounds.xMin + pos, this._bounds.yMin, this._bounds.width, this._bounds.height);
+                var pos = this.getPosition(0);
+                return Rect.fromLTWH(this._bounds.xMin + pos, this._bounds.yMin,
+                                     this._bounds.width, this._bounds.height);
-            var pos = this._positions[this.textOffset];
-            return Rect.fromLTWH(this._bounds.xMin + pos + offset.dx, this._bounds.yMin + offset.dy, this._bounds.width, this._bounds.height);
+            var pos = this.getPosition(0);
+            return Rect.fromLTWH(this._bounds.xMin + pos + offset.dx, this._bounds.yMin + offset.dy,
+                                 this._bounds.width, this._bounds.height);
         }
 
         public float getPosition(int i) {

Runtime/ui/txt/linebreaker.cs

 using System.Collections.Generic;
-using Unity.UIWidgets.foundation;
-using Unity.UIWidgets.InternalBridge;
 using UnityEngine;
 
 namespace Unity.UIWidgets.ui {

Runtime/ui/txt/wordbreaker.cs

         }
 
         public static uint getSupplementary(uint lead, uint trail) {
-            return (char) (( lead << 10) +  (trail - U16_SURROGATE_OFFSET));
+            return (char) ((lead << 10) +  (trail - U16_SURROGATE_OFFSET));
         }
 
         public static bool isBoundaryChar(char code) {