Removes --enable-stacked-tab-strip flag (Stacked Tabs)

chrome/browser/ui/tabs/tab_strip_layout_type_prefs.h

Index: chrome/browser/ui/tabs/tab_strip_layout_type_prefs.h
diff --git a/chrome/browser/ui/tabs/tab_strip_layout_type_prefs.h b/chrome/browser/ui/tabs/tab_strip_layout_type_prefs.h
index 80d06b01ac02d4fbb57ab263393fe3468c028915..558c2a5ffd52062ab0bed149c9ca24d074361119 100644
--- a/chrome/browser/ui/tabs/tab_strip_layout_type_prefs.h
+++ b/chrome/browser/ui/tabs/tab_strip_layout_type_prefs.h
@@ -6,11 +6,22 @@
 #define CHROME_BROWSER_UI_TABS_TAB_STRIP_LAYOUT_TYPE_PREFS_H_
 
 class PrefRegistrySimple;
+class PrefService;
 
 namespace chrome {
 
-// Register local state preferences specific to the TabStrip.
-void RegisterTabStripLayoutTypePrefs(PrefRegistrySimple* registry);
+class TabStripLayoutTypePrefs {
+ public:
+  // Register local state preferences specific to the TabStrip.
+  static void Register(PrefRegistrySimple* registry);
+
+  // Returns |prefs| setting for whether stacked layout is used.
+  static bool GetStackedLayout(PrefService* prefs);
+
+  // Sets |prefs| setting for whether stacked layout is used as specified by
+  // |stacked_layout| parameter.
+  static void SetStackedLayout(PrefService* prefs, bool stacked_layout);
+};
 
 }  // namespace chrome