Run PRESUBMIT checks over existing files in html-office-public

elements/viewer-toolbar/viewer-toolbar.html

 <polymer-element name="viewer-toolbar" attributes="fadingIn"
     on-mouseover="{{fadeIn}}" on-mousemove="{{fadeIn}}"
     on-mouseout="{{fadeOut}}">
-  <template>
-    <link rel="stylesheet" href="viewer-toolbar.css">
-    <div id="toolbar">
-      <content></content>
-    </div>
-  </template>
-  <script>
-    Polymer('viewer-toolbar', {
-      fadingIn: false,
-      timerId: undefined,
-      ready: function() {
-        this.fadingInChanged();
-      },
-      fadeIn: function() {
-        this.fadingIn = true;
-      },
-      fadeOut: function() {
-        this.fadingIn = false;
-      },
-      fadingInChanged: function() {
-        if (this.fadingIn) {
-          this.style.opacity = 1;
-          if (this.timerId !== undefined) {
-            clearTimeout(this.timerId);
-            this.timerId = undefined;
-          }
-        } else {
-          if (this.timerId === undefined) {
-            this.timerId = setTimeout(
-              function() {
-                this.style.opacity = 0;
-                this.timerId = undefined;
-              }.bind(this), 3000);
-          }
+<template>
+  <link rel="stylesheet" href="viewer-toolbar.css">
+  <div id="toolbar">
+    <content></content>
+  </div>
+</template>
+<script>
+  Polymer('viewer-toolbar', {
+    fadingIn: false,
+    timerId: undefined,
+    ready: function() {
+      this.fadingInChanged();
+    },
+    fadeIn: function() {
+      this.fadingIn = true;
+    },
+    fadeOut: function() {
+      this.fadingIn = false;
+    },
+    fadingInChanged: function() {
+      if (this.fadingIn) {
+        this.style.opacity = 1;
+        if (this.timerId !== undefined) {
+          clearTimeout(this.timerId);
+          this.timerId = undefined;
+        }
+      } else {
+        if (this.timerId === undefined) {
+          this.timerId = setTimeout(
+            function() {
+              this.style.opacity = 0;
+              this.timerId = undefined;
+            }.bind(this), 3000);
         }
       }
-    });
-  </script>
+    }
+  });
+</script>
 </polymer-element>