Revert 110056 - 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 110058)
+++ chrome/browser/printing/background_printing_manager.h	(working copy)
@@ -35,6 +35,13 @@
   // 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();
@@ -48,11 +55,17 @@
                        const content::NotificationDetails& details) OVERRIDE;
 
  private:
+  typedef std::map<TabContentsWrapper*, TabContentsWrapper*>
+      TabContentsWrapperMap;
+
   // Notifications handlers.
   void OnRendererProcessClosed(RenderProcessHost* rph);
   void OnPrintJobReleased(TabContentsWrapper* preview_tab);
   void OnTabContentsDestroyed(TabContentsWrapper* preview_tab);
 
+  // Removes |tab| from its tab strip.
+  void RemoveFromTabStrip(TabContentsWrapper* tab);
+
   // Add |tab| to the pending deletion set and schedule deletion.
   void DeletePreviewTab(TabContentsWrapper* tab);
 
@@ -68,6 +81,13 @@
   // are pending deletion.
   TabContentsWrapperSet printing_tabs_pending_deletion_;
 
+  // 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_;
+
   content::NotificationRegistrar registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(BackgroundPrintingManager);