Standardize usage of virtual/override/final specifiers.

content/browser/renderer_host/render_view_host_unittest.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 "base/path_service.h"
 #include "base/strings/utf_string_conversions.h"
 #include "content/browser/child_process_security_policy_impl.h"
 #include "content/browser/frame_host/render_frame_host_impl.h"
 #include "content/browser/renderer_host/render_message_filter.h"
 #include "content/browser/renderer_host/render_view_host_delegate_view.h"
@@ skipping 24 matching lines @@
     return url.scheme() == url::kFileScheme;
   }
 
  private:
   DISALLOW_COPY_AND_ASSIGN(RenderViewHostTestBrowserClient);
 };
 
 class RenderViewHostTest : public RenderViewHostImplTestHarness {
  public:
   RenderViewHostTest() : old_browser_client_(NULL) {}
-  virtual ~RenderViewHostTest() {}
+  ~RenderViewHostTest() override {}
 
-  virtual void SetUp() override {
+  void SetUp() override {
     RenderViewHostImplTestHarness::SetUp();
     old_browser_client_ = SetBrowserClientForTesting(&test_browser_client_);
   }
 
-  virtual void TearDown() override {
+  void TearDown() override {
     SetBrowserClientForTesting(old_browser_client_);
     RenderViewHostImplTestHarness::TearDown();
   }
 
  private:
   RenderViewHostTestBrowserClient test_browser_client_;
   ContentBrowserClient* old_browser_client_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderViewHostTest);
 };
@@ skipping 248 matching lines @@
   const std::string data_url = "data:image/gif;base64,"
       "R0lGODlhAQABAIAAAAUEBAAAACwAAAAAAQABAAACAkQBADs=";
 
   tester->Reset();
   tester->Test(data_url);
   EXPECT_EQ(tester->UrlString(), data_url);
   EXPECT_TRUE(tester->IsDownloaded());
 }
 
 }  // namespace content