Removing unused functions from WebSocketHandshakeResponse class

Source/platform/network/WebSocketHandshakeResponse.cpp

Index: Source/platform/network/WebSocketHandshakeResponse.cpp
diff --git a/Source/platform/network/WebSocketHandshakeResponse.cpp b/Source/platform/network/WebSocketHandshakeResponse.cpp
index c5d9892bdcb00b22056f79ad0cb168b01592d0e5..46d1c6438d160cef85d45bd7236eedcf623d8cac 100644
--- a/Source/platform/network/WebSocketHandshakeResponse.cpp
+++ b/Source/platform/network/WebSocketHandshakeResponse.cpp
@@ -76,9 +76,4 @@ void WebSocketHandshakeResponse::addHeaderField(const AtomicString& name, const
     WebSocketHandshakeRequest::addAndMergeHeader(&m_headerFields, name, value);
 }
 
-void WebSocketHandshakeResponse::clearHeaderFields()
-{
-    m_headerFields.clear();
-}
-
 } // namespace blink