Implement dom-ui proxy settings dialog for Linux/Windows....

chrome/browser/resources/options/advanced_options.js

Index: chrome/browser/resources/options/advanced_options.js
===================================================================
--- chrome/browser/resources/options/advanced_options.js	(revision 53818)
+++ chrome/browser/resources/options/advanced_options.js	(working copy)
@@ -28,9 +28,6 @@
     $('privacyClearDataButton').onclick = function(event) {
       OptionsPage.showOverlay('clearBrowserDataOverlay');
     };
-    $('proxiesConfigureButton').onclick = function(event) {
-      chrome.send('showNetworkProxySettings');
-    };
     $('downloadLocationBrowseButton').onclick = function(event) {
       chrome.send('selectDownloadLocation');
     };
@@ -40,10 +37,16 @@
     $('fontSettingsConfigureFontsOnlyButton').onclick = function(event) {
       OptionsPage.showOverlay('fontSettingsOverlay');
     };
-    $('certificatesManageButton').onclick = function(event) {
-      chrome.send('showManageSSLCertificates');
-    };
 
+    if (!cr.isChromeOS) {
+      $('proxiesConfigureButton').onclick = function(event) {
+        chrome.send('showNetworkProxySettings');
+      };
+      $('certificatesManageButton').onclick = function(event) {
+        chrome.send('showManageSSLCertificates');
+      };
+    }
+
     if (cr.isWindows) {
       $('sslCheckRevocation').onclick = function(event) {
         chrome.send('checkRevocationCheckboxAction',