WebUI: Fix more violations of no-extra-semi lint rule.

chrome/browser/resources/quota_internals/event_handler.js

Index: chrome/browser/resources/quota_internals/event_handler.js
diff --git a/chrome/browser/resources/quota_internals/event_handler.js b/chrome/browser/resources/quota_internals/event_handler.js
index 89fe3559a8c0a824e0c6ee825e8630d994fbfed6..a718545e13d8ac95cd9b6cfa38d8f13262e7b518 100644
--- a/chrome/browser/resources/quota_internals/event_handler.js
+++ b/chrome/browser/resources/quota_internals/event_handler.js
@@ -270,7 +270,7 @@ function handleAvailableSpace(event) {
    */
   availableSpace = event.detail;
   $('diskspace-entry').innerHTML = numBytesToText_(availableSpace);
-};
+}
 
 /**
  * Event Handler for |cr.quota.onGlobalInfoUpdated|.
@@ -304,7 +304,7 @@ function handleGlobalInfo(event) {
   if (getTreeViewObject().selectedItem == storageObject)
     updateDescription();
 
-};
+}
 
 /**
  * Event Handler for |cr.quota.onPerHostInfoUpdated|.