[MD WebUI] Fix sidebar selected color.

chrome/browser/resources/md_extensions/sidebar.html

Index: chrome/browser/resources/md_extensions/sidebar.html
diff --git a/chrome/browser/resources/md_extensions/sidebar.html b/chrome/browser/resources/md_extensions/sidebar.html
index 5a4e6bcf4c03c518c021b012bf34d5eac8feb723..fb96c60a547fc19e17c78e2105f2cc036ee84002 100644
--- a/chrome/browser/resources/md_extensions/sidebar.html
+++ b/chrome/browser/resources/md_extensions/sidebar.html
@@ -5,6 +5,7 @@
 <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">
+<link rel="import" href="chrome://resources/polymer/v1_0/paper-styles/color.html">
 <link rel="import" href="chrome://extensions/icons.html">
 
 <dom-module id="extensions-sidebar">
@@ -24,7 +25,7 @@
         --paper-menu-background-color: transparent;
         --paper-menu-selected-item: {
           background-color: transparent;
-          color: rgb(66, 133, 244);
+          color: var(--google-blue-700);
           font-weight: normal;
         }
 
@@ -49,8 +50,8 @@
       }
 
       #developer-mode-checkbox {
-        --paper-checkbox-checked-color: rgb(66, 133, 244);
-        --primary-text-color: #5A5A5A;
+        --paper-checkbox-checked-color: var(--google-blue-700);
+        --primary-text-color: #5a5a5a;
       }
 
       #developer-mode {