Use "int" instead of "long" for bindings where the WebIDL uses "long".

Source/modules/websockets/WebSocket.h

Index: Source/modules/websockets/WebSocket.h
diff --git a/Source/modules/websockets/WebSocket.h b/Source/modules/websockets/WebSocket.h
index 229f7f59c1fa80addb435894ea6ffcfd81beaa51..72a920e809778cd32b088c1799a4246b1b6be3d4 100644
--- a/Source/modules/websockets/WebSocket.h
+++ b/Source/modules/websockets/WebSocket.h
@@ -85,7 +85,7 @@ public:
 
     const KURL& url() const;
     State readyState() const;
-    unsigned long bufferedAmount() const;
+    unsigned bufferedAmount() const;
 
     String protocol() const;
     String extensions() const;
@@ -117,6 +117,7 @@ public:
     virtual void didReceiveMessage(const String& message) OVERRIDE;
     virtual void didReceiveBinaryData(PassOwnPtr<Vector<char> >) OVERRIDE;
     virtual void didReceiveMessageError() OVERRIDE;
+    // FIXME: bufferedAmount should be an "unsigned int".
     virtual void didUpdateBufferedAmount(unsigned long bufferedAmount) OVERRIDE;
     virtual void didStartClosingHandshake() OVERRIDE;
     virtual void didClose(unsigned long unhandledBufferedAmount, ClosingHandshakeCompletionStatus, unsigned short code, const String& reason) OVERRIDE;
@@ -154,7 +155,8 @@ private:
     State m_state;
     KURL m_url;
     EventTargetData m_eventTargetData;
-    unsigned long m_bufferedAmount;
+    unsigned m_bufferedAmount;
+    // FIXME: Can this just be "unsigned" too?
     unsigned long m_bufferedAmountAfterClose;
     BinaryType m_binaryType;
     String m_subprotocol;