Enable WebSocket in test_shell

webkit/api/public/WebKitClient.h

Index: webkit/api/public/WebKitClient.h
diff --git a/webkit/api/public/WebKitClient.h b/webkit/api/public/WebKitClient.h
index 6f2b3dd74b55bc4d357401b286983b0b39daa627..905355fdfaae5c5ff95fbcd4248e05711b11d8f2 100644
--- a/webkit/api/public/WebKitClient.h
+++ b/webkit/api/public/WebKitClient.h
@@ -50,6 +50,7 @@ namespace WebKit {
     class WebMimeRegistry;
     class WebPluginListBuilder;
     class WebSandboxSupport;
+    class WebSocketStreamHandle;
     class WebStorageNamespace;
     class WebString;
     class WebThemeEngine;
@@ -166,6 +167,9 @@ namespace WebKit {
         // Returns a new WebURLLoader instance.
         virtual WebURLLoader* createURLLoader() = 0;
 
+        // Returns a new WebSocketStreamHandle instance.
+        virtual WebSocketStreamHandle* createSocketStreamHandle() = 0;
+
 
         // Plugins -------------------------------------------------------------