Revert 266653 "[Mac] Allow fullscreen transitions while constrai..."

trunk/src/chrome/browser/ui/tabs/tab_strip_model_utils.h

 // Copyright (c) 2012 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.
 
 #ifndef CHROME_BROWSER_UI_TABS_TAB_STRIP_MODEL_UTILS_H_
 #define CHROME_BROWSER_UI_TABS_TAB_STRIP_MODEL_UTILS_H_
 
 #include <set>
 #include <string>
 
 class TabStripModel;
 
 namespace history {
 class TopSites;
 }
 
 namespace chrome {
 
+// Returns the index of the first tab that is blocked. This returns
+// |model->count()| if no tab is blocked.
+int IndexOfFirstBlockedTab(const TabStripModel* model);
+
 // Creates a set containing the canonical URLs of the currently open tabs.
 void GetOpenUrls(const TabStripModel& tabs,
                  const history::TopSites& top_sites,
                  std::set<std::string>* urls);
 
 }  // namespace chrome
 
 #endif  // CHROME_BROWSER_UI_TABS_TAB_STRIP_MODEL_UTILS_H_