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

chrome/browser/resources/pdf/elements/viewer-zoom-toolbar/viewer-zoom-button.js

 // Copyright 2015 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-zoom-button',
 
   properties: {
     /**
      * Icons to be displayed on the FAB. Multiple icons should be separated with
      * spaces, and will be cycled through every time the FAB is clicked.
      */
     icons: String,
 
     /**
      * Array version of the list of icons. Polymer does not allow array
      * properties to be set from HTML, so we must use a string property and
      * perform the conversion manually.
      * @private
      */
-    icons_: {
-      type: Array,
-      value: [''],
-      computed: 'computeIconsArray_(icons)'
-    },
+    icons_: {type: Array, value: [''], computed: 'computeIconsArray_(icons)'},
 
     tooltips: Array,
 
-    closed: {
-      type: Boolean,
-      reflectToAttribute: true,
-      value: false
-    },
+    closed: {type: Boolean, reflectToAttribute: true, value: false},
 
-    delay: {
-      type: Number,
-      observer: 'delayChanged_'
-    },
+    delay: {type: Number, observer: 'delayChanged_'},
 
     /**
      * Index of the icon currently being displayed.
      */
-    activeIndex: {
-      type: Number,
-      value: 0
-    },
+    activeIndex: {type: Number, value: 0},
 
     /**
      * Icon currently being displayed on the FAB.
      * @private
      */
-    visibleIcon_: {
-      type: String,
-      computed: 'computeVisibleIcon_(icons_, activeIndex)'
-    },
+    visibleIcon_:
+        {type: String, computed: 'computeVisibleIcon_(icons_, activeIndex)'},
 
     visibleTooltip_: {
       type: String,
       computed: 'computeVisibleTooltip_(tooltips, activeIndex)'
     }
   },
 
   computeIconsArray_: function(icons) {
     return icons.split(' ');
   },
@@ skipping 20 matching lines @@
 
   fireClick: function() {
     // We cannot attach an on-click to the entire viewer-zoom-button, as this
     // will include clicks on the margins. Instead, proxy clicks on the FAB
     // through.
     this.fire('fabclick');
 
     this.activeIndex = (this.activeIndex + 1) % this.icons_.length;
   }
 });