Implementation of getCurrentProxySettings for proxy settings API.

chrome/test/data/extensions/api_test/proxy/direct/test.js

Index: chrome/test/data/extensions/api_test/proxy/direct/test.js
diff --git a/chrome/test/data/extensions/api_test/proxy/direct/test.js b/chrome/test/data/extensions/api_test/proxy/direct/test.js
index 6567fbd8f57d768b8f2c8e2365ea476e15550e38..ebb9916f089e0e6ff108bd810c908d83de6c1941 100644
--- a/chrome/test/data/extensions/api_test/proxy/direct/test.js
+++ b/chrome/test/data/extensions/api_test/proxy/direct/test.js
@@ -5,12 +5,23 @@
 // proxy api test
 // browser_tests.exe --gtest_filter=ExtensionApiTest.ProxyAutoSettings
 
+function expect(expected, message) {
+  return chrome.test.callbackPass(function(value) {
+    chrome.test.assertEq(expected, value, message);
+  });
+}
+
 chrome.test.runTests([
   function setAutoSettings() {
     var config = {
       mode: "direct",
     };
     chrome.experimental.proxy.useCustomProxySettings(config);
-    chrome.test.succeed();
+    chrome.experimental.proxy.getCurrentProxySettings(
+        false,
+        expect(config, "invalid proxy settings"));
+    chrome.experimental.proxy.getCurrentProxySettings(
+        true,
+        expect(config, "invalid proxy settings"));
   }
 ]);