NTP4: erase notification promo UI

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 6cda72cff2e8f06fc991fcab4cab1b645f5ffa04..8a3cc3db65e193becacee21c1987b1be56db08a7 100644
--- a/chrome/browser/resources/ntp4/tile_page.js
+++ b/chrome/browser/resources/ntp4/tile_page.js
@@ -500,25 +500,6 @@ cr.define('ntp', function() {
     },
 
     /**
-     * The notification content of this tile (if any, otherwise null).
-     * @type {!HTMLElement}
-     */
-    get notification() {
-      return this.topMargin_.nextElementSibling.id == 'notification-container' ?
-          this.topMargin_.nextElementSibling : null;
-    },
-    /**
-     * The notification content of this tile (if any, otherwise null).
-     * @type {!HTMLElement}
-     */
-    set notification(node) {
-      assert(node instanceof HTMLElement, '|node| isn\'t an HTMLElement!');
-      // NOTE: Implicitly removes from DOM if |node| is inside it.
-      this.content_.insertBefore(node, this.topMargin_.nextElementSibling);
-      this.positionNotification_();
-    },
-
-    /**
      * Fetches the size, in pixels, of the padding-top of the tile contents.
      * @type {number}
      */
@@ -968,7 +949,6 @@ cr.define('ntp', function() {
       this.classList.add('animating-tile-page');
       this.heightChanged_();
 
-      this.positionNotification_();
       this.repositionTiles_();
     },
 
@@ -1044,35 +1024,6 @@ cr.define('ntp', function() {
     },
 
     /**
-     * Position the notification if there's one showing.
-     */
-    positionNotification_: function() {
-      var notification = this.notification;
-      if (!notification || notification.hidden)
-        return;
-
-      // Update the horizontal position.
-      var animatedLeftMargin = this.getAnimatedLeftMargin_();
-      notification.style.WebkitMarginStart = animatedLeftMargin + 'px';
-      var leftOffset = (this.layoutValues_.leftMargin - animatedLeftMargin) *
-                       (isRTL() ? -1 : 1);
-      notification.style.WebkitTransform = 'translateX(' + leftOffset + 'px)';
-
-      // Update the allowable widths of the text.
-      var buttonWidth = notification.querySelector('button').offsetWidth + 8;
-      notification.querySelector('span').style.maxWidth =
-          this.layoutValues_.gridWidth - buttonWidth + 'px';
-
-      // This makes sure the text doesn't condense smaller than the narrow size
-      // of the grid (e.g. when a user makes the window really small).
-      notification.style.minWidth =
-          this.gridValues_.narrowWidth - buttonWidth + 'px';
-
-      // Update the top position.
-      notification.style.marginTop = -notification.offsetHeight + 'px';
-    },
-
-    /**
      * Handles final setup that can only happen after |this| is inserted into
      * the page.
      * @private