Componentize sad_tab

chrome/browser/ui/chrome_sad_tab_client_mac.mm

Index: chrome/browser/ui/chrome_sad_tab_client_mac.mm
diff --git a/chrome/browser/ui/chrome_sad_tab_client_mac.mm b/chrome/browser/ui/chrome_sad_tab_client_mac.mm
new file mode 100644
index 0000000000000000000000000000000000000000..018ff84b39fbca1415a8ef258a6bf628b750ebed
--- /dev/null
+++ b/chrome/browser/ui/chrome_sad_tab_client_mac.mm
@@ -0,0 +1,13 @@
+// Copyright 2014 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.
+
+#include "chrome/browser/ui/chrome_sad_tab_client.h"
+
+#include "chrome/browser/ui/cocoa/tab_contents/sad_tab_controller.h"
+
+scoped_ptr<sad_tab::SadTab> ChromeSadTabClient::CreateSadTab(
+    content::WebContents* web_contents,
+    sad_tab::SadTabKind kind) {
+  return scoped_ptr<sad_tab::SadTab>(new chrome::SadTabCocoa(web_contents));
+}