Mac Chromium style checker cleanup

chrome/browser/ui/cocoa/history_overlay_controller_unittest.mm

 // 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.
 
 #import "chrome/browser/ui/cocoa/history_overlay_controller.h"
 
 #import <QuartzCore/QuartzCore.h>
 
 #include "base/memory/ref_counted.h"
 #include "base/message_pump_mac.h"
 #import "chrome/browser/ui/cocoa/cocoa_test_helper.h"
 #import "third_party/ocmock/gtest_support.h"
 #import "third_party/ocmock/OCMock/OCMock.h"
 
 class HistoryOverlayControllerTest : public CocoaTest {
  public:
-  void SetUp() {
+  virtual void SetUp() {
     CocoaTest::SetUp();
 
     // The overlay controller shows the panel in the superview of a given
     // view, so create the given view.
     test_view_.reset([[NSView alloc] initWithFrame:NSMakeRect(10, 10, 10, 10)]);
     [[test_window() contentView] addSubview:test_view_];
   }
 
   NSView* test_view() {
     return test_view_;
@@ skipping 52 matching lines @@
   });
 
   // Run the loop, which will dismiss the overlay.
   message_pump->Run(NULL);
 
   EXPECT_OCMOCK_VERIFY(mock);
 
   // After the animation runs, there should be no more animations.
   EXPECT_FALSE([[controller view] animations]);
 }