WIP: run clang-format-js on lots of things

chrome/browser/resources/pdf/elements/viewer-page-indicator/viewer-page-indicator.js

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 Polymer({
   is: 'viewer-page-indicator',
 
   properties: {
-    label: {
-      type: String,
-      value: '1'
-    },
+    label: {type: String, value: '1'},
 
-    index: {
-      type: Number,
-      observer: 'indexChanged'
-    },
+    index: {type: Number, observer: 'indexChanged'},
 
-    pageLabels: {
-      type: Array,
-      value: null,
-      observer: 'pageLabelsChanged'
-    }
+    pageLabels: {type: Array, value: null, observer: 'pageLabelsChanged'}
   },
 
   timerId: undefined,
 
   ready: function() {
     var callback = this.fadeIn.bind(this, 2000);
     window.addEventListener('scroll', function() {
       requestAnimationFrame(callback);
     });
   },
 
   initialFadeIn: function() {
     this.fadeIn(6000);
   },
 
   fadeIn: function(displayTime) {
     var percent = window.scrollY /
-        (document.body.scrollHeight -
-         document.documentElement.clientHeight);
-    this.style.top = percent *
-        (document.documentElement.clientHeight - this.offsetHeight) + 'px';
-<if expr="is_macosx">
+        (document.body.scrollHeight - document.documentElement.clientHeight);
+    this.style.top =
+        percent * (document.documentElement.clientHeight - this.offsetHeight) +
+        'px';
+    /* <if expr="is_macosx"> */
     // On the Mac, if overlay scrollbars are enabled, prevent them from
     // overlapping the triangle.
     if (window.innerWidth == document.body.scrollWidth)
       this.style.right = '16px';
     else
       this.style.right = '0px';
-</if>
+    /* </if> */
     this.style.opacity = 1;
     clearTimeout(this.timerId);
 
     this.timerId = setTimeout(function() {
       this.style.opacity = 0;
       this.timerId = undefined;
     }.bind(this), displayTime);
   },
 
   pageLabelsChanged: function() {
     this.indexChanged();
   },
 
   indexChanged: function() {
     if (this.pageLabels)
       this.label = this.pageLabels[this.index];
     else
       this.label = String(this.index + 1);
   }
 });