WebUI: Update Polymer iron-list 2.0.14 -> 2.0.15.

Bug: 836117
Cq-Include-Trybots: master.tryserver.chromium.linux:closure_compilation
Change-Id: I933a083f489d24c5ba4ff65636906b36f80f66dd
Reviewed-on: https://chromium-review.googlesource.com/1054706Reviewed-by: Demetrios Papadopoulos <dpapad@chromium.org>
Commit-Queue: Scott Chen <scottchen@chromium.org>
Cr-Commit-Position: refs/heads/master@{#557756}

third_party/polymer/v1_0/bower.json

@@ -18,7 +18,7 @@
     "iron-iconset-svg": "PolymerElements/iron-iconset-svg#2.1.1",
     "iron-icons": "PolymerElements/iron-icons#2.0.1",
     "iron-input": "PolymerElements/iron-input#2.1.3",
-    "iron-list": "PolymerElements/iron-list#2.0.14",
+    "iron-list": "PolymerElements/iron-list#2.0.15",
     "iron-location": "PolymerElements/iron-location#2.0.3",
     "iron-media-query": "PolymerElements/iron-media-query#2.0.0",
     "iron-menu-behavior": "PolymerElements/iron-menu-behavior#2.0.1",

third_party/polymer/v1_0/components-chromium/iron-list/bower.json

@@ -7,7 +7,7 @@
     "list",
     "virtual-list"
   ],
-  "version": "2.0.14",
+  "version": "2.0.15",
   "homepage": "https://github.com/PolymerElements/iron-list",
   "authors": [
     "The Polymer Authors"

third_party/polymer/v1_0/components-chromium/iron-list/iron-list-extracted.js

@@ -829,9 +829,17 @@
       } else if (change.path === 'items.splices') {
         this._adjustVirtualIndex(change.value.indexSplices);
         this._virtualCount = this.items ? this.items.length : 0;
-        // Only blur activeElement if it is a descendant of the list (#505, #507).
-        var activeElement = this._getActiveElement();
-        if (this.contains(activeElement)) activeElement.blur();
+        // Only blur if at least one item is added or removed.
+        var itemAddedOrRemoved = change.value.indexSplices.some(function(splice) {
+          return splice.addedCount > 0 || splice.removed.length > 0;
+        });
+        if (itemAddedOrRemoved) {
+          // Only blur activeElement if it is a descendant of the list (#505, #507).
+          var activeElement = this._getActiveElement();
+          if (this.contains(activeElement)) {
+            activeElement.blur();
+          }
+        }
         // Render only if the affected index is rendered.
         var affectedIndexRendered = change.value.indexSplices.some(function(splice) {
           return splice.index + splice.addedCount >= this._virtualStart &&

third_party/polymer/v1_0/components_summary.txt

@@ -96,9 +96,9 @@ Tree link: https://github.com/PolymerElements/iron-input/tree/v2.1.3
 
 Name: iron-list
 Repository: https://github.com/PolymerElements/iron-list.git
-Tree: v2.0.14
-Revision: 2289099da9cbb9ed593350de0192b7b5e36aed9e
-Tree link: https://github.com/PolymerElements/iron-list/tree/v2.0.14
+Tree: v2.0.15
+Revision: c2a527538b8842a3543578fe70520f3c336dce1f
+Tree link: https://github.com/PolymerElements/iron-list/tree/v2.0.15
 
 Name: iron-location
 Repository: https://github.com/PolymerElements/iron-location.git
@@ -274,12 +274,6 @@ Tree: v2.0.0
 Revision: 775a9f019072a58b6a8a936f79450cd01b3b2cba
 Tree link: https://github.com/PolymerElements/paper-tabs/tree/v2.0.0
 
-Name: paper-toggle-button
-Repository: https://github.com/PolymerElements/paper-toggle-button.git
-Tree: v2.0.0
-Revision: 8e3113cf203f287180ef08e990c3edf29961083d
-Tree link: https://github.com/PolymerElements/paper-toggle-button/tree/v2.0.0
-
 Name: paper-tooltip
 Repository: https://github.com/PolymerElements/paper-tooltip.git
 Tree: v2.0.0