Standardize usage of virtual/override/final in content/

content/test/plugin/plugin_arguments_test.h

 // Copyright (c) 2011 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.
 
 #ifndef CONTENT_TEST_PLUGIN_PLUGIN_ARGUMENTS_TEST_H_
 #define CONTENT_TEST_PLUGIN_PLUGIN_ARGUMENTS_TEST_H_
 
 #include "base/compiler_specific.h"
 #include "content/test/plugin/plugin_test.h"
 
@@ skipping 14 matching lines @@
 // size:  each val string will be this size * the value's
 //        index.  E.g if size is "10", val1 will be 10bytes,
 //        and val2 will be 20bytes.
 //
 class PluginArgumentsTest : public PluginTest {
  public:
   // Constructor.
   PluginArgumentsTest(NPP id, NPNetscapeFuncs *host_functions);
 
   // Initialize this PluginTest based on the arguments from NPP_New.
-  virtual NPError  New(uint16 mode, int16 argc, const char* argn[],
-                       const char* argv[], NPSavedData* saved) override;
+  NPError New(uint16 mode,
+              int16 argc,
+              const char* argn[],
+              const char* argv[],
+              NPSavedData* saved) override;
 
   // NPAPI SetWindow handler.
-  virtual NPError SetWindow(NPWindow* pNPWindow) override;
+  NPError SetWindow(NPWindow* pNPWindow) override;
 };
 
 }  // namespace NPAPIClient
 
 #endif  // CONTENT_TEST_PLUGIN_PLUGIN_ARGUMENTS_TEST_H_