diff --git a/chrome/browser/resources/md_extensions/detail_view.html b/chrome/browser/resources/md_extensions/detail_view.html
index ce38afe8da7eb..95bd59b94aed2 100644
--- a/chrome/browser/resources/md_extensions/detail_view.html
+++ b/chrome/browser/resources/md_extensions/detail_view.html
@@ -1,6 +1,7 @@
 <link rel="import" href="chrome://resources/html/cr.html">
 <link rel="import" href="chrome://resources/html/polymer.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/iron-flex-layout/classes/iron-flex-layout.html">
+<link rel="import" href="chrome://resources/polymer/v1_0/iron-icons/iron-icons.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/paper-checkbox/paper-checkbox.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/paper-icon-button/paper-icon-button.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/paper-styles/color.html">
diff --git a/chrome/browser/resources/md_extensions/sidebar.html b/chrome/browser/resources/md_extensions/sidebar.html
index 2a78a9b99341d..efb7efbfc44d1 100644
--- a/chrome/browser/resources/md_extensions/sidebar.html
+++ b/chrome/browser/resources/md_extensions/sidebar.html
@@ -1,6 +1,7 @@
 <link rel="import" href="chrome://resources/html/cr.html">
 <link rel="import" href="chrome://resources/html/i18n_behavior.html">
 <link rel="import" href="chrome://resources/html/polymer.html">
+<link rel="import" href="chrome://resources/polymer/v1_0/iron-icons/iron-icons.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/paper-checkbox/paper-checkbox.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/paper-item/paper-item.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/paper-menu/paper-menu.html">
diff --git a/chrome/test/data/webui/extensions/extension_detail_view_test.js b/chrome/test/data/webui/extensions/extension_detail_view_test.js
index b87fda6f76f61..3ad31473e7f25 100644
--- a/chrome/test/data/webui/extensions/extension_detail_view_test.js
+++ b/chrome/test/data/webui/extensions/extension_detail_view_test.js
@@ -49,6 +49,9 @@ cr.define('extension_detail_view_tests', function() {
 
       test(assert(TestNames.Layout), function() {
         Polymer.dom.flush();
+
+        extension_test_util.testIronIcons(item);
+
         var testIsVisible = extension_test_util.isVisible.bind(null, item);
         expectTrue(testIsVisible('#close-button'));
         expectTrue(testIsVisible('#open-in-webstore'));
diff --git a/chrome/test/data/webui/extensions/extension_sidebar_test.js b/chrome/test/data/webui/extensions/extension_sidebar_test.js
index cfe5c8a8a8023..25068bb58310b 100644
--- a/chrome/test/data/webui/extensions/extension_sidebar_test.js
+++ b/chrome/test/data/webui/extensions/extension_sidebar_test.js
@@ -59,6 +59,8 @@ cr.define('extension_sidebar_tests', function() {
       });
 
       test(assert(TestNames.Layout), function() {
+        extension_test_util.testIronIcons(sidebar);
+
         var testVisible = extension_test_util.testVisible.bind(null, sidebar);
         testVisible('#load-unpacked', false);
         testVisible('#pack-extensions', false);
diff --git a/chrome/test/data/webui/extensions/extension_test_util.js b/chrome/test/data/webui/extensions/extension_test_util.js
index 0ac52c7c0e2ca..e524ca7b2973f 100644
--- a/chrome/test/data/webui/extensions/extension_test_util.js
+++ b/chrome/test/data/webui/extensions/extension_test_util.js
@@ -124,11 +124,25 @@ cr.define('extension_test_util', function() {
     }, opt_properties);
   }
 
+  /**
+   * Tests that any iron-icon child of an HTML element has a corresponding
+   * non-empty svg element.
+   * @param {HTMLElement} e The element to check the iron icons in.
+   */
+  function testIronIcons(e) {
+    e.querySelectorAll('* /deep/ iron-icon').forEach(function(icon) {
+      var svg = icon.$$('svg');
+      expectTrue(!!svg && svg.innerHTML != '',
+                 'icon "' + icon.icon + '" is not present');
+    });
+  }
+
   return {
     ClickMock: ClickMock,
     MockItemDelegate: MockItemDelegate,
     isVisible: isVisible,
     testVisible: testVisible,
     createExtensionInfo: createExtensionInfo,
+    testIronIcons: testIronIcons,
   };
 });