1 files changed, 7 insertions, 0 deletions
diff --git a/chrome/browser/tab_contents_factory.h b/chrome/browser/tab_contents_factory.h
index c802cde..86c15ea 100644
--- a/chrome/browser/tab_contents_factory.h
+++ b/chrome/browser/tab_contents_factory.h
@@ -2,6 +2,9 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+#ifndef CHROME_BROWSER_TAB_CONTENTS_FACTORY_H_
+#define CHROME_BROWSER_TAB_CONTENTS_FACTORY_H_
+
 #include <string>
 #include "chrome/browser/tab_contents_type.h"
 
@@ -11,6 +14,9 @@ class TabContents;
 // TabContents::RegisterFactory.
 class TabContentsFactory {
  public:
+  // Returns the next unused TabContentsType after TAB_CONTENTS_NUM_TYPES.
+  static TabContentsType NextUnusedType();
+
   // Returns a new TabContents instance of the associated type.
   virtual TabContents* CreateInstance() = 0;
 
@@ -19,3 +25,4 @@ class TabContentsFactory {
   virtual bool CanHandleURL(const GURL& url) = 0;
 };
 
+#endif  // CHROME_BROWSER_TAB_CONTENTS_FACTORY_H_
+\ No newline at end of file