MD Settings: cr-slider: Make display consistent and clean up.

chrome/test/data/webui/settings/device_page_tests.js

Index: chrome/test/data/webui/settings/device_page_tests.js
diff --git a/chrome/test/data/webui/settings/device_page_tests.js b/chrome/test/data/webui/settings/device_page_tests.js
index 1aec9fb65676844de925ea794fe0fcacec9d6dd0..c6b6a9b6cc61583875997eaf3148a1b479ce8eb6 100644
--- a/chrome/test/data/webui/settings/device_page_tests.js
+++ b/chrome/test/data/webui/settings/device_page_tests.js
@@ -391,10 +391,10 @@ cr.define('device_page_tests', function() {
         // Test sliders round to nearest value when prefs change.
         devicePage.set(
             'prefs.settings.language.xkb_auto_repeat_delay_r2.value', 600);
-        expectEquals(600, keyboardPage.$.delaySlider.value);
+        expectEquals(500, keyboardPage.$.delaySlider.value);
         devicePage.set(
             'prefs.settings.language.xkb_auto_repeat_interval_r2.value', 45);
-        expectEquals(45, keyboardPage.$.repeatRateSlider.value);
+        expectEquals(50, keyboardPage.$.repeatRateSlider.value);
 
         devicePage.set(
             'prefs.settings.language.xkb_auto_repeat_enabled_r2.value',