Print Preview: Make print preview tab modal.

chrome/browser/ui/browser.cc

Index: chrome/browser/ui/browser.cc
===================================================================
--- chrome/browser/ui/browser.cc	(revision 110055)
+++ chrome/browser/ui/browser.cc	(working copy)
@@ -69,7 +69,6 @@
 #include "chrome/browser/prefs/incognito_mode_prefs.h"
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/prerender/prerender_tab_helper.h"
-#include "chrome/browser/printing/background_printing_manager.h"
 #include "chrome/browser/printing/cloud_print/cloud_print_setup_flow.h"
 #include "chrome/browser/printing/print_preview_tab_controller.h"
 #include "chrome/browser/printing/print_view_manager.h"
@@ -3552,19 +3551,6 @@
     return;
   }
 
-  // Various sites have a pattern which open a new window with output formatted
-  // for printing, then include a print button, which does window.print();
-  // window.close(); An example is printing Virgin America boarding
-  // pass. Instead of closing, when a print tab is associated with this tab,
-  // tell the BackgroundPrintingManager to own it, which causes it to be
-  // hidden and eventually closed when the print window is closed.
-  TabContentsWrapper* source_wrapper =
-      TabContentsWrapper::GetCurrentWrapperForContents(source);
-  if (g_browser_process->background_printing_manager()->
-          OwnInitiatorTab(source_wrapper)) {
-    return;
-  }
-
   int index = tab_handler_->GetTabStripModel()->GetWrapperIndex(source);
   if (index == TabStripModel::kNoTab) {
     NOTREACHED() << "CloseContents called for tab not in our strip";
@@ -3847,6 +3833,21 @@
 }
 
 void Browser::RendererUnresponsive(TabContents* source) {
+  // Ignore hangs if print preview is open.
+  TabContentsWrapper* source_wrapper =
+      TabContentsWrapper::GetCurrentWrapperForContents(source);
+  if (source_wrapper) {
+    printing::PrintPreviewTabController* controller =
+        printing::PrintPreviewTabController::GetInstance();
+    if (controller) {
+      TabContentsWrapper* preview_tab =
+          controller->GetPrintPreviewForTab(source_wrapper);
+      if (preview_tab && preview_tab != source_wrapper) {
+        return;
+      }
+    }
+  }
+
   browser::ShowHungRendererDialog(source);
 }
 
@@ -4790,9 +4791,7 @@
     // where advanced printing is always enabled.
     printing::PrintPreviewTabController* controller =
         printing::PrintPreviewTabController::GetInstance();
-    if (controller &&
-        wrapper &&
-        wrapper == controller->GetPrintPreviewForTab(wrapper)) {
+    if (controller && controller->GetPrintPreviewForTab(wrapper)) {
       advanced_print_enabled = true;
     }
   }