Expose more font size prefs to the Font Settings Extension API.

chrome/test/data/extensions/api_test/font_settings/test.js

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Font settings API test
 // Run with browser_tests --gtest_filter=ExtensionApiTest.FontSettings
 
 var fs = chrome.experimental.fontSettings;
 
 function expect(expected, message) {
@@ skipping 46 matching lines @@
       chrome.test.assertEq('string', typeof(value[0].localizedName), message);
     }));
   },
 
   function setDefaultFontSize() {
     fs.setDefaultFontSize({
       pixelSize: 22
     }, chrome.test.callbackPass());
   },
 
+  function setDefaultFixedFontSize() {
+    fs.setDefaultFixedFontSize({
+      pixelSize: 42
+    }, chrome.test.callbackPass());
+  },
+
+  function setMinimumFontSize() {
+    fs.setMinimumFontSize({
+      pixelSize: 7
+    }, chrome.test.callbackPass());
+  },
+
   function getDefaultFontSize() {
     var expected = 22;
     var message = 'Setting for default font size should be ' + expected;
     fs.getDefaultFontSize({}, expect({pixelSize: expected}, message));
+  },
+
+  function getDefaultFontSizeOmitDetails() {
+    var expected = 22;
+    var message = 'Setting for default font size should be ' + expected;
+    fs.getDefaultFontSize(expect({pixelSize: expected}, message));
+  },
+
+  function getDefaultFixedFontSize() {
+    var expected = 42;
+    var message = 'Setting for default fixed font size should be ' + expected;
+    fs.getDefaultFixedFontSize({}, expect({pixelSize: expected}, message));
+  },
+
+  function getMinimumFontSize() {
+    var expected = 7;
+    var message = 'Setting for minimum font size should be ' + expected;
+    fs.getMinimumFontSize({}, expect({pixelSize: expected}, message));
   }
 ]);