Block printing from blocked popup.

chrome/browser/printing/print_view_manager.cc

Index: chrome/browser/printing/print_view_manager.cc
diff --git a/chrome/browser/printing/print_view_manager.cc b/chrome/browser/printing/print_view_manager.cc
index e1061fad8d294f085ea0b448eaf85f7872fa689d..6e03b392aae733477a059857f8b57f51409aa927 100644
--- a/chrome/browser/printing/print_view_manager.cc
+++ b/chrome/browser/printing/print_view_manager.cc
@@ -17,6 +17,7 @@
 #include "chrome/browser/printing/print_preview_tab_controller.h"
 #include "chrome/browser/printing/print_view_manager_observer.h"
 #include "chrome/browser/printing/printer_query.h"
+#include "chrome/browser/ui/browser_list.h"
 #include "chrome/browser/ui/tab_contents/tab_contents_wrapper.h"
 #include "chrome/browser/ui/webui/print_preview/print_preview_ui.h"
 #include "chrome/common/chrome_notification_types.h"
@@ -259,6 +260,12 @@ void PrintViewManager::OnPrintingFailed(int cookie) {
       content::NotificationService::NoDetails());
 }
 
+void PrintViewManager::OnCheckScriptedPrintAllowed(bool* allowed) {
+  // If our tab isn't isn't in the browser list, printing shouldn't
+  // be allowed.  Most likely case is a blocked popup.
+  *allowed = BrowserList::FindBrowserWithWebContents(web_contents()) != NULL;
+}
+
 void PrintViewManager::OnScriptedPrintPreview(bool source_is_modifiable,
                                               IPC::Message* reply_msg) {
   BrowserThread::CurrentlyOn(BrowserThread::UI);
@@ -316,6 +323,8 @@ bool PrintViewManager::OnMessageReceived(const IPC::Message& message) {
     IPC_MESSAGE_HANDLER(PrintHostMsg_DidShowPrintDialog, OnDidShowPrintDialog)
     IPC_MESSAGE_HANDLER(PrintHostMsg_DidPrintPage, OnDidPrintPage)
     IPC_MESSAGE_HANDLER(PrintHostMsg_PrintingFailed, OnPrintingFailed)
+    IPC_MESSAGE_HANDLER(PrintHostMsg_CheckScriptedPrintAllowed,
+                        OnCheckScriptedPrintAllowed)
     IPC_MESSAGE_HANDLER_DELAY_REPLY(PrintHostMsg_ScriptedPrintPreview,
                                     OnScriptedPrintPreview)
     IPC_MESSAGE_UNHANDLED(handled = false)