Standardize usage of virtual/override/final specifiers.

content/renderer/pepper/host_var_tracker_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/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 #include "content/renderer/pepper/host_globals.h"
 #include "content/renderer/pepper/host_var_tracker.h"
 #include "content/renderer/pepper/mock_resource.h"
 #include "content/renderer/pepper/pepper_plugin_instance_impl.h"
@@ skipping 52 matching lines @@
 
   DISALLOW_COPY_AND_ASSIGN(PepperTryCatchForTest);
 };
 
 }  // namespace
 
 class HostVarTrackerTest : public PpapiUnittest {
  public:
   HostVarTrackerTest() {}
 
-  virtual void TearDown() override {
+  void TearDown() override {
     v8::Isolate::GetCurrent()->RequestGarbageCollectionForTesting(
         v8::Isolate::kFullGarbageCollection);
     EXPECT_EQ(0, g_v8objects_alive);
     PpapiUnittest::TearDown();
   }
 
   HostVarTracker& tracker() { return *HostGlobals::Get()->host_var_tracker(); }
 };
 
 TEST_F(HostVarTrackerTest, DeleteObjectVarWithInstance) {
@@ skipping 48 matching lines @@
   pp_object1 = ppapi::ScopedPPVar();
   pp_object2 = ppapi::ScopedPPVar();
 
   // Releasing the resource should free the internal ref, and so making a new
   // one now should generate a new ID.
   ppapi::ScopedPPVar pp_object3 = try_catch.FromV8(v8_object);
   EXPECT_NE(pp_object1.get().value.as_id, pp_object3.get().value.as_id);
 }
 
 }  // namespace content