Be able to print items that do window.print(); window.close() (airline tix e.g.)

chrome/browser/printing/print_preview_tab_controller.cc

Index: chrome/browser/printing/print_preview_tab_controller.cc
diff --git a/chrome/browser/printing/print_preview_tab_controller.cc b/chrome/browser/printing/print_preview_tab_controller.cc
index 365f51e6ccd3a45a9295dda2cf94674b050f6690..25cfef493d1ec64e83512f1229f07e64d16dd632 100644
--- a/chrome/browser/printing/print_preview_tab_controller.cc
+++ b/chrome/browser/printing/print_preview_tab_controller.cc
@@ -10,6 +10,7 @@
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/profiles/profile.h"
+#include "chrome/browser/printing/background_printing_manager.h"
 #include "chrome/browser/sessions/restore_tab_helper.h"
 #include "chrome/browser/tabs/tab_strip_model.h"
 #include "chrome/browser/ui/browser.h"
@@ -174,8 +175,13 @@ void PrintPreviewTabController::OnTabContentsDestroyed(TabContents* tab) {
   if (tab == preview_tab) {
     // Remove the initiator tab's observers before erasing the mapping.
     TabContents* initiator_tab = GetInitiatorTab(tab);
-    if (initiator_tab)
+    if (initiator_tab) {
       RemoveObservers(initiator_tab);
+      TabContentsWrapper* initiator_wrapper =
+          TabContentsWrapper::GetCurrentWrapperForContents(initiator_tab);
+      g_browser_process->background_printing_manager()->
+          ReleaseInitiatorTabContents(initiator_wrapper);

[kmadhusu, 2011/08/18 23:45:50]

You need to delete the initiator tab request after aborting its preview request.
We currently abort the previous request in line #191. So, release the contents
after that code.

[Sheridan Rawlins, 2011/08/19 00:24:25]

Done.

+    }
 
     // Print preview tab contents are destroyed. Notify |PrintPreviewUI| to
     // abort the initiator tab preview request.
@@ -248,8 +254,13 @@ void PrintPreviewTabController::OnNavEntryCommitted(
   if (source_tab_is_preview_tab) {
     // Remove the initiator tab's observers before erasing the mapping.
     TabContents* initiator_tab = GetInitiatorTab(tab);
-    if (initiator_tab)
+    if (initiator_tab) {
       RemoveObservers(initiator_tab);
+      TabContentsWrapper* initiator_wrapper =
+          TabContentsWrapper::GetCurrentWrapperForContents(initiator_tab);
+      g_browser_process->background_printing_manager()->
+          ReleaseInitiatorTabContents(initiator_wrapper);
+    }
     preview_tab_map_.erase(tab);
   } else {
     preview_tab_map_[preview_tab] = NULL;