Pass result of blockage across content API when new tab blocked.

chrome/browser/ui/webui/print_preview/print_preview_ui_unittest.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <vector>
 
 #include "base/memory/ref_counted_memory.h"
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/printing/print_preview_tab_controller.h"
 #include "chrome/browser/printing/print_view_manager.h"
@@ skipping 207 matching lines @@
   EXPECT_FALSE(cancel);
 }
 
 TEST_F(PrintPreviewUIUnitTest, InitiatorTabGetsFocusOnPrintPreviewTabClose) {
   EXPECT_EQ(1, browser()->tab_count());
   WebContents* initiator_contents =
       WebContentsTester::CreateTestWebContentsCountFocus(profile(), NULL);
   WebContentsTester* initiator_tester =
       WebContentsTester::For(initiator_contents);
   chrome::AddWebContents(browser(), NULL, initiator_contents,
-                         NEW_FOREGROUND_TAB, gfx::Rect(), false);
+                         NEW_FOREGROUND_TAB, gfx::Rect(), false, NULL);
   TabContents* initiator_tab = TabContents::FromWebContents(initiator_contents);
   ASSERT_TRUE(initiator_tab);
   EXPECT_EQ(2, browser()->tab_count());
   EXPECT_EQ(0, initiator_tester->GetNumberOfFocusCalls());
 
   printing::PrintPreviewTabController* controller =
       printing::PrintPreviewTabController::GetInstance();
   ASSERT_TRUE(controller);
 
   initiator_tab->print_view_manager()->PrintPreviewNow();
   TabContents* preview_tab = controller->GetOrCreatePreviewTab(initiator_tab);
 
   EXPECT_NE(initiator_tab, preview_tab);
   EXPECT_EQ(2, browser()->tab_count());
   EXPECT_EQ(1U, GetConstrainedWindowCount(initiator_tab));
   EXPECT_EQ(0, initiator_tester->GetNumberOfFocusCalls());
 
   PrintPreviewUI* preview_ui = static_cast<PrintPreviewUI*>(
       preview_tab->web_contents()->GetWebUI()->GetController());
   ASSERT_TRUE(preview_ui != NULL);
 
   preview_ui->OnPrintPreviewTabClosed();
 
   EXPECT_EQ(2, browser()->tab_count());
   EXPECT_EQ(0U, GetConstrainedWindowCount(initiator_tab));
   EXPECT_EQ(1, initiator_tester->GetNumberOfFocusCalls());
 }