AutoDiscardable property support on Chrome Extensions Tabs API.

chrome/browser/extensions/extension_tabs_apitest.cc

Index: chrome/browser/extensions/extension_tabs_apitest.cc
diff --git a/chrome/browser/extensions/extension_tabs_apitest.cc b/chrome/browser/extensions/extension_tabs_apitest.cc
index 1ed844e4974d41b3553f97346a5e1267258a9c4a..091c9f878b376cfa6bc06a1b7d570c89bce5da5e 100644
--- a/chrome/browser/extensions/extension_tabs_apitest.cc
+++ b/chrome/browser/extensions/extension_tabs_apitest.cc
@@ -277,10 +277,15 @@ IN_PROC_BROWSER_TEST_F(ExtensionApiTest, DISABLED_GetViewsOfCreatedWindow) {
       << message_;
 }
 
-IN_PROC_BROWSER_TEST_F(ExtensionApiTest, DiscardedState) {
+IN_PROC_BROWSER_TEST_F(ExtensionApiTest, OnUpdatedDiscardedState) {
   ASSERT_TRUE(RunExtensionSubtest("tabs/basics", "discarded.html")) << message_;
 }
 
+IN_PROC_BROWSER_TEST_F(ExtensionApiTest, OnUpdatedAutoDiscardableState) {
+  ASSERT_TRUE(RunExtensionSubtest("tabs/basics", "autoDiscardable.html"))
+      << message_;
+}
+
 // Adding a new test? Awesome. But API tests are the old hotness. The new
 // hotness is extension_function_test_utils. See tabs_test.cc for an example.
 // We are trying to phase out many uses of API tests as they tend to be flaky.