[MD settings] change dropdown to accept array of objects rather than array of tuples

chrome/browser/resources/settings/appearance_page/appearance_fonts_page.js

Index: chrome/browser/resources/settings/appearance_page/appearance_fonts_page.js
diff --git a/chrome/browser/resources/settings/appearance_page/appearance_fonts_page.js b/chrome/browser/resources/settings/appearance_page/appearance_fonts_page.js
index 938b356025d6bf7d9114621a913c4387d64d0517..6c8edeb4a534069dd935bf5ce8eb0d670fbe78f6 100644
--- a/chrome/browser/resources/settings/appearance_page/appearance_fonts_page.js
+++ b/chrome/browser/resources/settings/appearance_page/appearance_fonts_page.js
@@ -185,11 +185,20 @@ Polymer({
    * @private
    */
   setFontsData_: function(fontList, encodingList) {
-    this.$.standardFont.menuOptions = fontList;
-    this.$.serifFont.menuOptions = fontList;
-    this.$.sansSerifFont.menuOptions = fontList;
-    this.$.fixedFont.menuOptions = fontList;
-    this.$.encoding.menuOptions = encodingList;
+    var fontMenuOptions = [];
+    for (var i = 0; i < fontList.length; ++i)
+      fontMenuOptions.push({value: fontList[i][0], name: fontList[i][1]});
+    this.$.standardFont.menuOptions = fontMenuOptions;
+    this.$.serifFont.menuOptions = fontMenuOptions;
+    this.$.sansSerifFont.menuOptions = fontMenuOptions;
+    this.$.fixedFont.menuOptions = fontMenuOptions;
+
+    var encodingMenuOptions = [];
+    for (var i = 0; i < encodingList.length; ++i) {
+      encodingMenuOptions.push({
+          value: encodingList[i][0], name: encodingList[i][1]});
+    }
+    this.$.encoding.menuOptions = encodingMenuOptions;
   },
 
   /**