[Mac] Re-enable pinned tabs; add support for mini-tabs and phantom tabs.

chrome/browser/sessions/session_service_unittest.cc

Index: chrome/browser/sessions/session_service_unittest.cc
diff --git a/chrome/browser/sessions/session_service_unittest.cc b/chrome/browser/sessions/session_service_unittest.cc
index 20451b63cff23d1eb85592b5c72db641b7f498da..3a32b55eb853a99eb99e32595f923f7fdabc94da 100644
--- a/chrome/browser/sessions/session_service_unittest.cc
+++ b/chrome/browser/sessions/session_service_unittest.cc
@@ -1,4 +1,4 @@
-// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
+// Copyright (c) 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
@@ -582,9 +582,6 @@ TEST_F(SessionServiceTest, PersistApplicationExtensionID) {
 
 // Explicitly set the pinned state to true and make sure we get back true.
 TEST_F(SessionServiceTest, PinnedTrue) {
-  if (!browser_defaults::kEnablePinnedTabs)
-    return;
-
   EXPECT_TRUE(CreateAndWriteSessionWithOneTab(true, true));
 }