Roll Polymer

third_party/polymer/v1_0/components-chromium/app-layout/helpers/helpers-extracted.js

Index: third_party/polymer/v1_0/components-chromium/app-layout/helpers/helpers-extracted.js
diff --git a/third_party/polymer/v1_0/components-chromium/app-layout/helpers/helpers-extracted.js b/third_party/polymer/v1_0/components-chromium/app-layout/helpers/helpers-extracted.js
index bb84915d57ae5ab5befa0aaaf8fc006574e8de79..031f7c0c10f92adbc3747516b3e814e706e992ce 100644
--- a/third_party/polymer/v1_0/components-chromium/app-layout/helpers/helpers-extracted.js
+++ b/third_party/polymer/v1_0/components-chromium/app-layout/helpers/helpers-extracted.js
@@ -8,7 +8,7 @@ Polymer.AppLayout = Polymer.AppLayout || {};
   };
 
   /**
-   * Registers a scroll effect to be used in elements that implement the 
+   * Registers a scroll effect to be used in elements that implement the
    * `Polymer.AppScrollEffectsBehavior` behavior.
    *
    * @param {string} effectName The effect name.
@@ -72,19 +72,20 @@ Polymer.AppLayout = Polymer.AppLayout || {};
         var deltaScrollTop = scrollTop - currentScrollTop;
         var deltaScrollLeft = scrollLeft - currentScrollLeft;
         var duration = 300;
-
-        (function updateFrame() {
+        var updateFrame = (function updateFrame() {
           var now = Date.now();
           var elapsedTime = now - startTime;
 
           if (elapsedTime < duration) {
-            scrollTo(
-                timingFn(elapsedTime, currentScrollLeft, deltaScrollLeft, duration),
-                timingFn(elapsedTime, currentScrollTop, deltaScrollTop, duration)
-              );
-            requestAnimationFrame(updateFrame.bind(this));
+            scrollTo(timingFn(elapsedTime, currentScrollLeft, deltaScrollLeft, duration),
+                timingFn(elapsedTime, currentScrollTop, deltaScrollTop, duration));
+            requestAnimationFrame(updateFrame);
+          } else {
+            scrollTo(scrollLeft, scrollTop);
           }
-        }).call(this);
+        }).bind(this);
+        
+        updateFrame();
       }
 
     } else if (options.behavior === 'silent') {