Makes instant run before unload listeners.

chrome/browser/tabs/tab_strip_model_unittest.cc

 // Copyright (c) 2010 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 "app/system_monitor.h"
 #include "base/file_path.h"
 #include "base/file_util.h"
 #include "base/path_service.h"
 #include "base/string_number_conversions.h"
 #include "base/scoped_ptr.h"
@@ skipping 1828 matching lines @@
   TabStripModel strip(&delegate, profile());
 
   TabContentsWrapper* first_contents = CreateTabContents();
   strip.AddTabContents(first_contents, -1, PageTransition::TYPED,
                        TabStripModel::ADD_SELECTED);
 
   MockTabStripModelObserver tabstrip_observer;
   strip.AddObserver(&tabstrip_observer);
 
   TabContentsWrapper* new_contents = CreateTabContents();
-  strip.ReplaceTabContentsAt(0, new_contents);
+  delete strip.ReplaceTabContentsAt(0, new_contents);
 
   ASSERT_EQ(2, tabstrip_observer.GetStateCount());
 
   // First event should be for replaced.
   State state(new_contents, 0, MockTabStripModelObserver::REPLACED);
   state.src_contents = first_contents;
   EXPECT_TRUE(tabstrip_observer.StateEquals(0, state));
 
   // And the second for selected.
   state = State(new_contents, 0, MockTabStripModelObserver::SELECT);
   state.src_contents = first_contents;
   EXPECT_TRUE(tabstrip_observer.StateEquals(1, state));
 
   // Now add another tab and replace it, making sure we don't get a selected
   // event this time.
   TabContentsWrapper* third_contents = CreateTabContents();
   strip.AddTabContents(third_contents, 1, PageTransition::TYPED,
                        TabStripModel::ADD_NONE);
 
   tabstrip_observer.ClearStates();
 
   // And replace it.
   new_contents = CreateTabContents();
-  strip.ReplaceTabContentsAt(1, new_contents);
+  delete strip.ReplaceTabContentsAt(1, new_contents);
 
   ASSERT_EQ(1, tabstrip_observer.GetStateCount());
 
   state = State(new_contents, 1, MockTabStripModelObserver::REPLACED);
   state.src_contents = third_contents;
   EXPECT_TRUE(tabstrip_observer.StateEquals(0, state));
 
   strip.CloseAllTabs();
 }
 
 // Makes sure TabStripModel handles the case of deleting a tab while removing
 // another tab.
 TEST_F(TabStripModelTest, DeleteFromDestroy) {
   TabStripDummyDelegate delegate(NULL);
   TabStripModel strip(&delegate, profile());
   TabContentsWrapper* contents1 = CreateTabContents();
   TabContentsWrapper* contents2 = CreateTabContents();
   strip.AppendTabContents(contents1, true);
   strip.AppendTabContents(contents2, true);
   // DeleteTabContentsOnDestroyedObserver deletes contents1 when contents2 sends
   // out notification that it is being destroyed.
   DeleteTabContentsOnDestroyedObserver observer(contents2, contents1);
   strip.CloseAllTabs();
 }