Fix virtual/override/final usage in Source/bindings/.

Source/bindings/core/v8/ScriptPromiseResolverTest.cpp

 // 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 "config.h"
 #include "bindings/core/v8/ScriptPromiseResolver.h"
 
 #include "bindings/core/v8/ScriptFunction.h"
 #include "bindings/core/v8/ScriptValue.h"
 #include "bindings/core/v8/V8Binding.h"
@@ skipping 19 matching lines @@
         return self->bindToV8Function();
     }
 
 private:
     Function(ScriptState* scriptState, String* value)
         : ScriptFunction(scriptState)
         , m_value(value)
     {
     }
 
-    virtual ScriptValue call(ScriptValue value) override
+    ScriptValue call(ScriptValue value) override
     {
         ASSERT(!value.isEmpty());
         *m_value = toCoreString(value.v8Value()->ToString(scriptState()->context()).ToLocalChecked());
         return value;
     }
 
     String* m_value;
 };
 
 class ScriptPromiseResolverTest : public ::testing::Test {
 public:
     ScriptPromiseResolverTest()
         : m_pageHolder(DummyPageHolder::create())
     {
     }
 
-    virtual ~ScriptPromiseResolverTest()
+    ~ScriptPromiseResolverTest() override
     {
         ScriptState::Scope scope(scriptState());
         // FIXME: We put this statement here to clear an exception from the
         // isolate.
         createClosure(callback, v8::Undefined(isolate()), isolate());
 
         // Execute all pending microtasks
         isolate()->RunMicrotasks();
     }
 
@@ skipping 245 matching lines @@
     resolver->reject();
     isolate()->RunMicrotasks();
 
     EXPECT_EQ(String(), onFulfilled);
     EXPECT_EQ("undefined", onRejected);
 }
 
 } // namespace
 
 } // namespace blink