Switch PrintViewManager, PrintPreviewMessageHandler to use WebContentsUserData.

chrome/browser/printing/print_preview_tab_controller_browsertest.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 "base/command_line.h"
 #include "chrome/browser/printing/print_preview_tab_controller.h"
 #include "chrome/browser/printing/print_view_manager.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_commands.h"
 #include "chrome/browser/ui/browser_tabstrip.h"
@@ skipping 48 matching lines @@
 
   // Create a reference to initiator tab contents.
   TabContents* initiator_tab = chrome::GetActiveTabContents(browser());
   ASSERT_TRUE(initiator_tab);
 
   printing::PrintPreviewTabController* tab_controller =
       printing::PrintPreviewTabController::GetInstance();
   ASSERT_TRUE(tab_controller);
 
   // Get the preview tab for initiator tab.
-  initiator_tab->print_view_manager()->PrintPreviewNow();
+  printing::PrintViewManager* print_view_manager =
+      printing::PrintViewManager::FromWebContents(
+          initiator_tab->web_contents());
+  print_view_manager->PrintPreviewNow();
   TabContents* preview_tab =
     tab_controller->GetOrCreatePreviewTab(initiator_tab);
 
   // New print preview tab is created.
   EXPECT_EQ(1, browser()->tab_count());
   ASSERT_TRUE(preview_tab);
   ASSERT_NE(initiator_tab, preview_tab);
   TabDestroyedObserver observer(preview_tab->web_contents());
 
   // Navigate in the initiator tab.
   GURL url(chrome::kChromeUINewTabURL);
   ui_test_utils::NavigateToURL(browser(), url);
 
   ASSERT_TRUE(observer.tab_destroyed());
 
   // Get the print preview tab for initiator tab.
-  initiator_tab->print_view_manager()->PrintPreviewNow();
+  print_view_manager->PrintPreviewNow();
   TabContents* new_preview_tab =
      tab_controller->GetOrCreatePreviewTab(initiator_tab);
 
   // New preview tab is created.
   EXPECT_EQ(1, browser()->tab_count());
   EXPECT_TRUE(new_preview_tab);
 }
 
 // Test to verify that after reloading the initiator tab, it creates a new
 // print preview tab.
 IN_PROC_BROWSER_TEST_F(PrintPreviewTabControllerBrowserTest,
                        ReloadInitiatorTab) {
   // Lets start with one tab.
   EXPECT_EQ(1, browser()->tab_count());
 
   // Create a reference to initiator tab contents.
   TabContents* initiator_tab = chrome::GetActiveTabContents(browser());
   ASSERT_TRUE(initiator_tab);
 
   printing::PrintPreviewTabController* tab_controller =
       printing::PrintPreviewTabController::GetInstance();
   ASSERT_TRUE(tab_controller);
 
   // Get the preview tab for initiator tab.
-  initiator_tab->print_view_manager()->PrintPreviewNow();
+  printing::PrintViewManager* print_view_manager =
+      printing::PrintViewManager::FromWebContents(
+          initiator_tab->web_contents());
+  print_view_manager->PrintPreviewNow();
   TabContents* preview_tab =
     tab_controller->GetOrCreatePreviewTab(initiator_tab);
 
   // New print preview tab is created.
   EXPECT_EQ(1, browser()->tab_count());
   ASSERT_TRUE(preview_tab);
   ASSERT_NE(initiator_tab, preview_tab);
   TabDestroyedObserver tab_destroyed_observer(preview_tab->web_contents());
 
   // Reload the initiator tab.
   content::WindowedNotificationObserver notification_observer(
       content::NOTIFICATION_LOAD_STOP,
       content::NotificationService::AllSources());
   chrome::Reload(browser(), CURRENT_TAB);
   notification_observer.Wait();
 
   ASSERT_TRUE(tab_destroyed_observer.tab_destroyed());
 
   // Get the print preview tab for initiator tab.
-  initiator_tab->print_view_manager()->PrintPreviewNow();
+  print_view_manager->PrintPreviewNow();
   TabContents* new_preview_tab =
      tab_controller->GetOrCreatePreviewTab(initiator_tab);
 
   EXPECT_EQ(1, browser()->tab_count());
   EXPECT_TRUE(new_preview_tab);
 }