Hide close buttons of inactive stacked tabs by default

chrome/browser/ui/views/tabs/tab_controller.h

Index: chrome/browser/ui/views/tabs/tab_controller.h
diff --git a/chrome/browser/ui/views/tabs/tab_controller.h b/chrome/browser/ui/views/tabs/tab_controller.h
index 5e26ecf27c9bebda0e5558027e219f0fe2e160a9..3e8807be7b45ea6864b425b352a0ef765a75122f 100644
--- a/chrome/browser/ui/views/tabs/tab_controller.h
+++ b/chrome/browser/ui/views/tabs/tab_controller.h
@@ -29,9 +29,9 @@ class TabController {
   // Returns true if multiple selection is supported.
   virtual bool SupportsMultipleSelection() = 0;
 
-  // Returns true if we should force the close button of the inactive tab
-  // |tab| to be hidden.
-  virtual bool ShouldHideCloseButtonForInactiveTab(const Tab* tab) = 0;
+  // Returns true if we should force the close buttons of the inactive tabs
+  // to be hidden.
+  virtual bool ShouldHideCloseButtonForInactiveTabs() = 0;
 
   // Selects the tab.
   virtual void SelectTab(Tab* tab) = 0;