Revert "Making all callbacks use zones"

tools/dom/templates/html/impl/impl_Window.darttemplate

Index: tools/dom/templates/html/impl/impl_Window.darttemplate
diff --git a/tools/dom/templates/html/impl/impl_Window.darttemplate b/tools/dom/templates/html/impl/impl_Window.darttemplate
index aaa1b97296d0dd76e9662ac907ce7ae04ce5292d..1e5c50b990284bb56239979a93862494d16b1d7c 100644
--- a/tools/dom/templates/html/impl/impl_Window.darttemplate
+++ b/tools/dom/templates/html/impl/impl_Window.darttemplate
@@ -164,7 +164,7 @@ $if DART2JS
   @DomName('Window.requestAnimationFrame')
   int requestAnimationFrame(RequestAnimationFrameCallback callback) {
     _ensureRequestAnimationFrame();
-    return _requestAnimationFrame(_wrapZone(callback));
+    return _requestAnimationFrame(callback);
   }
 
   void cancelAnimationFrame(int id) {
@@ -238,27 +238,6 @@ $else
   void _setImmediate(void callback()) {
     throw new UnsupportedError('setImmediate is not supported');
   }
-
-  /**
-   * Called to draw an animation frame and then request the window to repaint
-   * after [callback] has finished (creating the animation).
-   *
-   * Use this method only if you need to later call [cancelAnimationFrame]. If
-   * not, the preferred Dart idiom is to set animation frames by calling
-   * [animationFrame], which returns a Future.
-   *
-   * Returns a non-zero valued integer to represent the request id for this
-   * request. This value only needs to be saved if you intend to call
-   * [cancelAnimationFrame] so you can specify the particular animation to
-   * cancel.
-   *
-   * Note: The supplied [callback] needs to call [requestAnimationFrame] again
-   * for the animation to continue.
-   */
-  @DomName('Window.requestAnimationFrame')
-  int requestAnimationFrame(RequestAnimationFrameCallback callback) {
-    return _requestAnimationFrame(_wrapZone(callback));
-  }
 $endif
 
   /**