Relanding in-progress download bug fix

chrome/browser/cocoa/tab_strip_controller_unittest.mm

 // Copyright (c) 2009 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.
 
 #import <Cocoa/Cocoa.h>
 
 #include "chrome/browser/cocoa/browser_test_helper.h"
 #import "chrome/browser/cocoa/cocoa_test_helper.h"
 #import "chrome/browser/cocoa/tab_strip_controller.h"
 #include "chrome/browser/tab_contents/web_contents.h"
@@ skipping 31 matching lines @@
   virtual void DuplicateContentsAt(int index) { }
   virtual void CloseFrameAfterDragSession() { }
   virtual void CreateHistoricalTab(TabContents* contents) { }
   virtual bool RunUnloadListenerBeforeClosing(TabContents* contents) {
     return true;
   }
   virtual bool CanRestoreTab() {
     return true;
   }
   virtual void RestoreTab() { }
+
+  virtual bool CanCloseContentsAt(int index) { return true; }
 };
 
 class TabStripControllerTest : public testing::Test {
  public:
   TabStripControllerTest() {
     NSView* parent = cocoa_helper_.contentView();
     NSRect content_frame = [parent frame];
 
     // Create the "switch view" (view that gets changed out when a tab
     // switches).
@@ skipping 57 matching lines @@
   // TODO(pinkerton): Creating a WebContents crashes an unrelated test, even
   // if you don't do anything with it. http://crbug.com/10899
 }
 
 TEST_F(TabStripControllerTest, RearrangeTabs) {
   // TODO(pinkerton): Creating a WebContents crashes an unrelated test, even
   // if you don't do anything with it. http://crbug.com/10899
 }
 
 }  // namespace