Disallow connecting an insecure WebSocket from a secure page.

Source/modules/websockets/WorkerThreadableWebSocketChannel.h

Index: Source/modules/websockets/WorkerThreadableWebSocketChannel.h
diff --git a/Source/modules/websockets/WorkerThreadableWebSocketChannel.h b/Source/modules/websockets/WorkerThreadableWebSocketChannel.h
index a388fcf2423997ac4d1a502141f12d096714fa84..e1f4912c14c9ed58764deb9fb549d52ce54a0bb9 100644
--- a/Source/modules/websockets/WorkerThreadableWebSocketChannel.h
+++ b/Source/modules/websockets/WorkerThreadableWebSocketChannel.h
@@ -71,7 +71,7 @@ public:
     virtual ~WorkerThreadableWebSocketChannel();
 
     // WebSocketChannel functions.
-    virtual void connect(const KURL&, const String& protocol) OVERRIDE;
+    virtual bool connect(const KURL&, const String& protocol) OVERRIDE;
     virtual String subprotocol() OVERRIDE;
     virtual String extensions() OVERRIDE;
     virtual WebSocketChannel::SendResult send(const String& message) OVERRIDE;
@@ -147,7 +147,7 @@ private:
         // sourceURLAtConnection and lineNumberAtConnection parameters may
         // be shown when the connection fails.
         void initialize(const String& sourceURLAtConnection, unsigned lineNumberAtConnection);
-        void connect(const KURL&, const String& protocol);
+        bool connect(const KURL&, const String& protocol);
         WebSocketChannel::SendResult send(const String& message);
         WebSocketChannel::SendResult send(const ArrayBuffer&, unsigned byteOffset, unsigned byteLength);
         WebSocketChannel::SendResult send(PassRefPtr<BlobDataHandle>);