Switch IDB Database.transaction to use a template to do the right type conversions

sdk/lib/html/dartium/html_dartium.dart

Index: sdk/lib/html/dartium/html_dartium.dart
diff --git a/sdk/lib/html/dartium/html_dartium.dart b/sdk/lib/html/dartium/html_dartium.dart
index cc87949a7f7ed73a7c2da10a90695d8237ba7ba2..319c762d4ddeda487d9c6998a33570179c27b2a2 100644
--- a/sdk/lib/html/dartium/html_dartium.dart
+++ b/sdk/lib/html/dartium/html_dartium.dart
@@ -40454,10 +40454,10 @@ class Window extends EventTarget implements WindowEventHandlers, WindowBase, Glo
    *
    * ## Other resources
    *
-   * * [Window.moveTo]
-   * (https://developer.mozilla.org/en-US/docs/Web/API/Window.moveTo) from MDN.
-   * * [Window.moveTo]
-   * (http://dev.w3.org/csswg/cssom-view/#dom-window-moveto) from W3C.
+   * * [Window.moveTo](https://developer.mozilla.org/en-US/docs/Web/API/Window.moveTo)
+   *   from MDN.
+   * * [Window.moveTo](http://dev.w3.org/csswg/cssom-view/#dom-window-moveto)
+   *   from W3C.
    */
   void moveTo(Point p) {
     _moveTo(p.x, p.y);