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

chrome/browser/ui/views/frame/browser_window_property_manager_browsertest_win.cc

 // Copyright 2013 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 <string>
 
 #include <shlobj.h>  // Must be before propkey.
 #include <propkey.h>
 #include <shellapi.h>
 
@@ skipping 151 matching lines @@
 }
 
 }  // namespace
 
 // Tests that require the profile shortcut manager to be instantiated despite
 // having --user-data-dir specified.
 class BrowserTestWithProfileShortcutManager : public InProcessBrowserTest {
  public:
   BrowserTestWithProfileShortcutManager() {}
 
-  virtual void SetUpCommandLine(base::CommandLine* command_line) override {
+  void SetUpCommandLine(base::CommandLine* command_line) override {
     command_line->AppendSwitch(switches::kEnableProfileShortcutManager);
   }
 
  private:
   DISALLOW_COPY_AND_ASSIGN(BrowserTestWithProfileShortcutManager);
 };
 
 // Check that the window properties on Windows are properly set.
 // http://crbug.com/396344
 IN_PROC_BROWSER_TEST_F(BrowserTestWithProfileShortcutManager,
@@ skipping 80 matching lines @@
   for (chrome::BrowserIterator it; !it.done() && !app_browser; it.Next()) {
     if (*it != browser())
       app_browser = *it;
   }
   ASSERT_TRUE(app_browser);
   ASSERT_TRUE(app_browser != browser());
 
   WaitAndValidateBrowserWindowProperties(
       base::Bind(&ValidateHostedAppWindowProperties, app_browser, extension));
 }