Decouple WebSocketChannelClient from WebSocketImpl

Source/web/WebSocketImpl.cpp

Index: Source/web/WebSocketImpl.cpp
diff --git a/Source/web/WebSocketImpl.cpp b/Source/web/WebSocketImpl.cpp
index ba573540a48967f577296d54eec7ee67fd8c4d54..6d40e335803ef23ed1f1055c62043785cd48a0fb 100644
--- a/Source/web/WebSocketImpl.cpp
+++ b/Source/web/WebSocketImpl.cpp
@@ -41,6 +41,7 @@
 #include "public/platform/WebString.h"
 #include "public/platform/WebURL.h"
 #include "public/web/WebDocument.h"
+#include "web/WebSocketChannelClientProxy.h"
 #include "wtf/ArrayBuffer.h"
 #include "wtf/text/CString.h"
 #include "wtf/text/WTFString.h"
@@ -51,6 +52,7 @@ namespace blink {
 
 WebSocketImpl::WebSocketImpl(const WebDocument& document, WebSocketClient* client)
     : m_client(client)
+    , m_channelProxy(WebSocketChannelClientProxy::create(this))
     , m_binaryType(BinaryTypeBlob)
     , m_isClosingOrClosed(false)
     , m_bufferedAmount(0)
@@ -58,9 +60,9 @@ WebSocketImpl::WebSocketImpl(const WebDocument& document, WebSocketClient* clien
 {
     RefPtrWillBeRawPtr<Document> coreDocument = PassRefPtrWillBeRawPtr<Document>(document);
     if (RuntimeEnabledFeatures::experimentalWebSocketEnabled()) {
-        m_private = NewWebSocketChannelImpl::create(coreDocument.get(), this);
+        m_private = NewWebSocketChannelImpl::create(coreDocument.get(), m_channelProxy.get());
     } else {
-        m_private = MainThreadWebSocketChannel::create(coreDocument.get(), this);
+        m_private = MainThreadWebSocketChannel::create(coreDocument.get(), m_channelProxy.get());
     }
 }
 
@@ -201,7 +203,7 @@ void WebSocketImpl::didStartClosingHandshake()
     m_client->didStartClosingHandshake();
 }
 
-void WebSocketImpl::didClose(ClosingHandshakeCompletionStatus status, unsigned short code, const String& reason)
+void WebSocketImpl::didClose(WebSocketChannelClient::ClosingHandshakeCompletionStatus status, unsigned short code, const String& reason)
 {
     m_isClosingOrClosed = true;
     m_client->didClose(static_cast<WebSocketClient::ClosingHandshakeCompletionStatus>(status), code, WebString(reason));
@@ -210,10 +212,4 @@ void WebSocketImpl::didClose(ClosingHandshakeCompletionStatus status, unsigned s
     m_client->didClose(m_bufferedAmount - m_bufferedAmountAfterClose, static_cast<WebSocketClient::ClosingHandshakeCompletionStatus>(status), code, WebString(reason));
 }
 
-void WebSocketImpl::trace(blink::Visitor* visitor)
-{
-    visitor->trace(m_private);
-    blink::WebSocketChannelClient::trace(visitor);
-}
-
 } // namespace blink