Add enableReferrers and enableHyperlinkAuditing to contentSettings.misc API.

chrome/test/data/extensions/api_test/content_settings/standard/test.html

Index: chrome/test/data/extensions/api_test/content_settings/standard/test.html
diff --git a/chrome/test/data/extensions/api_test/content_settings/standard/test.html b/chrome/test/data/extensions/api_test/content_settings/standard/test.html
index f1a441c2ed27cb665b25f635c91c393d54cf8114..39b930348edaffe22f879d18a03f8a391b971886 100644
--- a/chrome/test/data/extensions/api_test/content_settings/standard/test.html
+++ b/chrome/test/data/extensions/api_test/content_settings/standard/test.html
@@ -16,10 +16,22 @@ chrome.test.runTests([
                  'levelOfControl': "ControllableByThisExtension" },
                "third-party cookies should be blocked"));
   },
+  function getEnableReferrers() {
+    cs.misc.enableReferrers.get(
+        {},
+        expect({ 'value': false,
+                 'levelOfControl': "ControllableByThisExtension" },
+               "referrers should be disabled"));
+  },
   function setBlockThirdPartyCookies() {
     cs.misc.blockThirdPartyCookies.set(
         {'value': false},
         chrome.test.callbackPass());
+  },
+  function setEnableReferrers() {
+    cs.misc.enableReferrers.set(
+        {'value': true},
+        chrome.test.callbackPass());
   }
 ]);
 </script>