Print Preview: Make print preview tab modal.

chrome/browser/printing/background_printing_manager.h

Index: chrome/browser/printing/background_printing_manager.h
===================================================================
--- chrome/browser/printing/background_printing_manager.h	(revision 105275)
+++ chrome/browser/printing/background_printing_manager.h	(working copy)
@@ -35,13 +35,6 @@
   // hides it from the user.
   void OwnPrintPreviewTab(TabContentsWrapper* preview_tab);
 
-  // Takes ownership of |initiator_tab| and deletes it when its preview tab is
-  // destroyed by either being canceled, closed or finishing printing. This
-  // removes the TabContentsWrapper from its TabStrip and hides it from the
-  // user. Returns true if content has an associated print preview tab,
-  // otherwise, returns false and does not take ownership of |initiator_tab|.
-  bool OwnInitiatorTab(TabContentsWrapper* initiator_tab);
-
   // Let others iterate over the list of background printing tabs.
   TabContentsWrapperSet::const_iterator begin();
   TabContentsWrapperSet::const_iterator end();
@@ -63,19 +56,9 @@
   void OnPrintJobReleased(TabContentsWrapper* preview_tab);
   void OnTabContentsDestroyed(TabContentsWrapper* preview_tab);
 
-  // Removes |tab| from its tab strip.
-  void RemoveFromTabStrip(TabContentsWrapper* tab);
-
   // The set of print preview tabs managed by BackgroundPrintingManager.
   TabContentsWrapperSet printing_tabs_;
 
-  // 1:1 mapping between an initiator tab managed by BackgroundPrintingManager
-  // and its associated print preview tab. The print preview tab need not be in
-  // |printing_tabs_|.
-  // Key: print preview tab.
-  // Value: initiator tab.
-  TabContentsWrapperMap map_;
-
   NotificationRegistrar registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(BackgroundPrintingManager);