MD Settings: Remove usage of deprecated iron-flex-layout.html, for CrOS.

chrome/browser/resources/settings/device_page/display.html

Index: chrome/browser/resources/settings/device_page/display.html
diff --git a/chrome/browser/resources/settings/device_page/display.html b/chrome/browser/resources/settings/device_page/display.html
index b0dea454858dd4deaa4f01fa652d436fa7c78fb7..72bd111907e26d3a25aeee96fda13b53f7ee881a 100644
--- a/chrome/browser/resources/settings/device_page/display.html
+++ b/chrome/browser/resources/settings/device_page/display.html
@@ -1,7 +1,7 @@
 <link rel="import" href="chrome://resources/html/polymer.html">
 <link rel="import" href="chrome://resources/html/i18n_behavior.html">
 <link rel="import" href="chrome://resources/html/md_select_css.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-flex-layout/iron-flex-layout-classes.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/paper-button/paper-button.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/paper-icon-button/paper-icon-button-light.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/paper-tabs/paper-tabs.html">
@@ -14,7 +14,7 @@
 
 <dom-module id="settings-display">
   <template>
-    <style include="settings-shared md-select">
+    <style include="settings-shared md-select iron-flex iron-flex-alignment">
      .settings-box.embedded {
        -webkit-margin-start: 20px;
        align-self: stretch;
@@ -50,7 +50,7 @@
 
      #controlsDiv > .settings-box:first-of-type {
        border-top: none;
-     } 
+     }
     </style>
     <div class="settings-box first layout vertical self-stretch">
       <h2 class="layout self-start">