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

chrome/browser/sessions/session_service.cc

Index: chrome/browser/sessions/session_service.cc
diff --git a/chrome/browser/sessions/session_service.cc b/chrome/browser/sessions/session_service.cc
index b0fa72b1cf4edba1a8b26e3e5f8eef6740472ac4..94c67eef416a9c9a3bbd3a57c5316c1a76c83a97 100644
--- a/chrome/browser/sessions/session_service.cc
+++ b/chrome/browser/sessions/session_service.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.
 
@@ -975,8 +975,7 @@ bool SessionService::CreateTabsAndWindows(
         PinnedStatePayload payload;
         if (!command->GetPayload(&payload, sizeof(payload)))
           return true;
-        if (browser_defaults::kEnablePinnedTabs)
-          GetTab(payload.tab_id, tabs)->pinned = payload.pinned_state;
+        GetTab(payload.tab_id, tabs)->pinned = payload.pinned_state;
         break;
       }