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 eec05e538bc0d4fad3323a4a9afca7ac6439c0dd..ef6f43eb76fe73571b29c2db9414a756447bbc23 100644
--- a/chrome/browser/printing/print_preview_tab_controller.cc
+++ b/chrome/browser/printing/print_preview_tab_controller.cc
@@ -9,6 +9,7 @@
 #include "base/command_line.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/browser_process.h"
+#include "chrome/browser/printing/background_printing_manager.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/sessions/restore_tab_helper.h"
 #include "chrome/browser/tabs/tab_strip_model.h"
@@ -162,9 +163,17 @@ void PrintPreviewTabController::OnRendererProcessClosed(
     RenderProcessHost* rph) {
   for (PrintPreviewTabMap::iterator iter = preview_tab_map_.begin();
        iter != preview_tab_map_.end(); ++iter) {
-    if (iter->second != NULL &&
-        iter->second->render_view_host()->process() == rph) {
-      TabContents* preview_tab = GetPrintPreviewForTab(iter->second);
+    TabContents* initiator_tab = iter->second;
+    if (initiator_tab != NULL &&
+        initiator_tab->render_view_host()->process() == rph) {
+      // Release the initiator tab contents, possibly deleting if owned.
+      RemoveObservers(initiator_tab);
+      TabContentsWrapper* initiator_wrapper =
+          TabContentsWrapper::GetCurrentWrapperForContents(initiator_tab);
+      g_browser_process->background_printing_manager()->
+          ReleaseInitiatorTabContents(initiator_wrapper);
+
+      TabContents* preview_tab = GetPrintPreviewForTab(initiator_tab);
       PrintPreviewUI* print_preview_ui =
           static_cast<PrintPreviewUI*>(preview_tab->web_ui());
       print_preview_ui->OnInitiatorTabCrashed();
@@ -178,11 +187,6 @@ void PrintPreviewTabController::OnTabContentsDestroyed(TabContents* tab) {
     return;
 
   if (tab == preview_tab) {
-    // Remove the initiator tab's observers before erasing the mapping.
-    TabContents* initiator_tab = GetInitiatorTab(tab);
-    if (initiator_tab)
-      RemoveObservers(initiator_tab);
-
     // Print preview tab contents are destroyed. Notify |PrintPreviewUI| to
     // abort the initiator tab preview request.
     if (IsPrintPreviewTab(tab) && tab->web_ui()) {
@@ -191,6 +195,16 @@ void PrintPreviewTabController::OnTabContentsDestroyed(TabContents* tab) {
       print_preview_ui->OnTabDestroyed();
     }
 
+    // Remove the initiator tab's observers before erasing the mapping. Also
+    // release the initiator tab contents, possibly deleting if owned.
+    TabContents* initiator_tab = GetInitiatorTab(tab);
+    if (initiator_tab) {
+      RemoveObservers(initiator_tab);
+      TabContentsWrapper* initiator_wrapper =
+          TabContentsWrapper::GetCurrentWrapperForContents(initiator_tab);
+      g_browser_process->background_printing_manager()->
+          ReleaseInitiatorTabContents(initiator_wrapper);
+    }
     // Erase the map entry.
     preview_tab_map_.erase(tab);
   } else {
@@ -248,8 +262,13 @@ 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;