[Aura] Initial app list webui.

chrome/browser/resources/ntp4/tile_page.js

Index: chrome/browser/resources/ntp4/tile_page.js
diff --git a/chrome/browser/resources/ntp4/tile_page.js b/chrome/browser/resources/ntp4/tile_page.js
index 32510a501469a9119f74664cbe5855f65c337975..ffaa5db3c67bb801cfadac0845f80f7ea7f60a7a 100644
--- a/chrome/browser/resources/ntp4/tile_page.js
+++ b/chrome/browser/resources/ntp4/tile_page.js
@@ -125,7 +125,7 @@ cr.define('ntp4', function() {
 
       this.classList.add('dragging');
       // offsetLeft is mirrored in RTL. Un-mirror it.
-      var offsetLeft = ntp4.isRTL() ?
+      var offsetLeft = isRTL() ?
           this.parentNode.clientWidth - this.offsetLeft :
           this.offsetLeft;
       this.dragOffsetX = e.x - offsetLeft - this.parentNode.offsetLeft;
@@ -232,7 +232,7 @@ cr.define('ntp4', function() {
       this.appendChild(clone);
       this.doppleganger_ = clone;
 
-      if (ntp4.isRTL())
+      if (isRTL())
         x *= -1;
 
       this.doppleganger_.style.WebkitTransform = 'translate(' + x + 'px, ' +
@@ -828,7 +828,7 @@ cr.define('ntp4', function() {
       if (col < 0 || col >= layout.numRowTiles)
         return -1;
 
-      if (ntp4.isRTL())
+      if (isRTL())
         col = layout.numRowTiles - 1 - col;
 
       var row = Math.floor((y - gridClientRect.top) / layout.rowHeight);