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

Source/modules/websockets/DOMWebSocketTest.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 "modules/websockets/DOMWebSocket.h"
 
 #include "bindings/core/v8/ExceptionState.h"
 #include "bindings/core/v8/V8Binding.h"
 #include "bindings/core/v8/V8BindingForTesting.h"
@@ skipping 26 matching lines @@
 
 typedef testing::StrictMock<testing::MockFunction<void(int)>> Checkpoint;  // NOLINT
 
 class MockWebSocketChannel : public WebSocketChannel {
 public:
     static MockWebSocketChannel* create()
     {
         return new testing::StrictMock<MockWebSocketChannel>();
     }
 
-    virtual ~MockWebSocketChannel()
+    ~MockWebSocketChannel() override
     {
     }
 
     MOCK_METHOD2(connect, bool(const KURL&, const String&));
     MOCK_METHOD1(send, void(const CString&));
     MOCK_METHOD3(send, void(const DOMArrayBuffer&, unsigned, unsigned));
     MOCK_METHOD1(send, void(PassRefPtr<BlobDataHandle>));
     MOCK_METHOD1(sendTextAsCharVector, void(PassOwnPtr<Vector<char>>));
     MOCK_METHOD1(sendBinaryAsCharVector, void(PassOwnPtr<Vector<char>>));
     MOCK_CONST_METHOD0(bufferedAmount, unsigned());
@@ skipping 10 matching lines @@
 public:
     static DOMWebSocketWithMockChannel* create(ExecutionContext* context)
     {
         DOMWebSocketWithMockChannel* websocket = new DOMWebSocketWithMockChannel(context);
         websocket->suspendIfNeeded();
         return websocket;
     }
 
     MockWebSocketChannel* channel() { return m_channel.get(); }
 
-    virtual WebSocketChannel* createChannel(ExecutionContext*, WebSocketChannelClient*) override
+    WebSocketChannel* createChannel(ExecutionContext*, WebSocketChannelClient*) override
     {
         ASSERT(!m_hasCreatedChannel);
         m_hasCreatedChannel = true;
         return m_channel.get();
     }
 
     DEFINE_INLINE_VIRTUAL_TRACE()
     {
         visitor->trace(m_channel);
         DOMWebSocket::trace(visitor);
@@ skipping 658 matching lines @@
     EXPECT_EQ(InvalidAccessError, m_exceptionState.code());
     EXPECT_EQ(String::format("The code must be either 1000, or between 3000 and 4999. %d is neither.", GetParam()), m_exceptionState.message());
     EXPECT_EQ(DOMWebSocket::CONNECTING, m_websocket->readyState());
 }
 
 INSTANTIATE_TEST_CASE_P(DOMWebSocketInvalidClosingCode, DOMWebSocketInvalidClosingCodeTest, ::testing::Values(0, 1, 998, 999, 1001, 2999, 5000, 9999, 65535));
 
 } // namespace
 
 } // namespace blink