Standardize usage of virtual/override/final specifiers.

chrome/browser/renderer_context_menu/render_view_context_menu_unittest.cc

 // Copyright 2014 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/renderer_context_menu/render_view_context_menu.h"
 
 #include "base/prefs/pref_service.h"
 #include "chrome/app/chrome_command_ids.h"
 #include "chrome/browser/custom_handlers/protocol_handler_registry.h"
 #include "chrome/browser/prefs/incognito_mode_prefs.h"
@@ skipping 224 matching lines @@
   contexts.Add(MenuItem::SELECTION);
   contexts.Add(MenuItem::IMAGE);
 
   URLPatternSet patterns = CreatePatternSet("*://test.none/*");
 
   EXPECT_TRUE(ExtensionContextAndPatternMatch(params, contexts, patterns));
 }
 
 class RenderViewContextMenuPrefsTest : public ChromeRenderViewHostTestHarness {
  public:
-  virtual void SetUp() override {
+  void SetUp() override {
     ChromeRenderViewHostTestHarness::SetUp();
     registry_.reset(new ProtocolHandlerRegistry(profile(), NULL));
   }
 
-  virtual void TearDown() override {
+  void TearDown() override {
     registry_.reset();
     ChromeRenderViewHostTestHarness::TearDown();
   }
 
   TestRenderViewContextMenu* CreateContextMenu() {
     content::ContextMenuParams params = CreateParams(MenuItem::LINK);
     params.unfiltered_link_url = params.link_url;
     content::WebContents* wc = web_contents();
     TestRenderViewContextMenu* menu = new TestRenderViewContextMenu(
         wc->GetMainFrame(), params);
@@ skipping 30 matching lines @@
 }
 
 // Make sure the checking custom command id that is not enabled will not
 // cause DCHECK failure.
 TEST_F(RenderViewContextMenuPrefsTest,
        IsCustomCommandIdEnabled) {
   scoped_ptr<TestRenderViewContextMenu> menu(CreateContextMenu());
 
   EXPECT_FALSE(menu->IsCommandIdEnabled(IDC_CONTENT_CONTEXT_CUSTOM_FIRST));
 }