Remove cookieRequestHeaderFieldValue() and setCookie() call from WebSocketHandshake

Source/modules/websockets/WebSocketHandshake.h

Index: Source/modules/websockets/WebSocketHandshake.h
diff --git a/Source/modules/websockets/WebSocketHandshake.h b/Source/modules/websockets/WebSocketHandshake.h
index f1a3e95b87051dbf776a12dbf1d2530ec1289735..2053bba87fb0a06a1c04aae1ff48c4f23d8c5b18 100644
--- a/Source/modules/websockets/WebSocketHandshake.h
+++ b/Source/modules/websockets/WebSocketHandshake.h
@@ -67,7 +67,12 @@ public:
     String clientOrigin() const;
     String clientLocation() const;
 
+    // Builds a WebSocket opening handshake string to send to the server.
+    // Cookie headers will be added later by the platform code for security
+    // reason.
     CString clientHandshakeMessage() const;
+    // Builds an object representing WebSocket opening handshake to pass to the
+    // inspector.
     PassRefPtr<WebSocketHandshakeRequest> clientHandshakeRequest() const;
 
     // We're collecting data for histogram in the destructor. Note that calling
@@ -81,8 +86,6 @@ public:
     String failureReason() const;
 
     const AtomicString& serverWebSocketProtocol() const;
-    const AtomicString& serverSetCookie() const;
-    const AtomicString& serverSetCookie2() const;
     const AtomicString& serverUpgrade() const;
     const AtomicString& serverConnection() const;
     const AtomicString& serverWebSocketAccept() const;