Update {virtual,override} to follow C++11 style in chrome.

chrome/browser/ui/views/location_bar/star_view_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 "chrome/browser/ui/views/location_bar/star_view.h"
 
 #include "base/command_line.h"
 #include "base/prefs/pref_service.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/ui/tabs/tab_strip_model.h"
@@ skipping 55 matching lines @@
   star_view->OnMouseReleased(released_event);
   EXPECT_FALSE(BookmarkBubbleView::bookmark_bubble());
 }
 
 #if defined(OS_WIN)
 
 class StarViewTestNoDWM : public InProcessBrowserTest {
  public:
   StarViewTestNoDWM() {}
 
-  virtual void SetUpCommandLine(base::CommandLine* command_line) override {
+  void SetUpCommandLine(base::CommandLine* command_line) override {
     command_line->AppendSwitch(switches::kDisableDwmComposition);
   }
 };
 
 BOOL CALLBACK EnumerateChildren(HWND hwnd, LPARAM l_param) {
   HWND* child = reinterpret_cast<HWND*>(l_param);
   *child = hwnd;
   // The first child window is the plugin, then its children. So stop
   // enumerating after the first callback.
   return FALSE;
@@ skipping 69 matching lines @@
       region_before.left == region_after.left &&
       region_before.top == region_after.top &&
       region_before.right == region_after.right &&
       region_before.bottom == region_after.bottom;
   ASSERT_FALSE(rects_equal);
 }
 
 #endif
 
 }  // namespace