Revert 110056 - Print Preview: Make print preview tab modal.

chrome/test/base/test_tab_strip_model_observer.cc

 // Copyright (c) 2011 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 "chrome/test/base/test_tab_strip_model_observer.h"
 
-#include "base/bind.h"
-#include "chrome/browser/printing/print_preview_tab_controller.h"
 #include "chrome/browser/tabs/tab_strip_model.h"
 #include "chrome/browser/ui/tab_contents/tab_contents_wrapper.h"
 #include "content/public/browser/notification_source.h"
 
 TestTabStripModelObserver::TestTabStripModelObserver(
     TabStripModel* tab_strip_model,
     TestTabStripModelObserver::JsInjectionReadyObserver*
         js_injection_ready_observer)
     : TestNavigationObserver(js_injection_ready_observer, 1),
       tab_strip_model_(tab_strip_model) {
   tab_strip_model_->AddObserver(this);
 }
 
 TestTabStripModelObserver::~TestTabStripModelObserver() {
   tab_strip_model_->RemoveObserver(this);
 }
 
-void TestTabStripModelObserver::TabBlockedStateChanged(
-    TabContentsWrapper* contents, int index) {
-  // Need to do this later - the print preview tab has not been created yet.
-  MessageLoop::current()->PostTask(
-      FROM_HERE,
-      base::Bind(&TestTabStripModelObserver::ObservePrintPreviewTabContents,
-                 base::Unretained(this),
-                 contents));
+void TestTabStripModelObserver::TabInsertedAt(
+    TabContentsWrapper* contents, int index, bool foreground) {
+  RegisterAsObserver(
+      content::Source<NavigationController>(&contents->controller()));
 }
-
-void TestTabStripModelObserver::ObservePrintPreviewTabContents(
-    TabContentsWrapper* contents) {
-  printing::PrintPreviewTabController* tab_controller =
-      printing::PrintPreviewTabController::GetInstance();
-  if (tab_controller) {
-    TabContentsWrapper* preview_tab =
-        tab_controller->GetPrintPreviewForTab(contents);
-    if (preview_tab) {
-      RegisterAsObserver(
-          content::Source<NavigationController>(&preview_tab->controller()));
-    }
-  }
-}