Add GCController support to test_shell....

webkit/port/bindings/v8/ScriptController.h

 // Copyright 2008, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //    * Redistributions of source code must retain the above copyright
 // notice, this list of conditions and the following disclaimer.
 //    * Redistributions in binary form must reproduce the above
@@ skipping 200 matching lines @@
 
     // Get/Set RecordPlaybackMode flag.
     // This is a special mode where JS helps the browser implement
     // playback/record mode.  Generally, in this mode, some functions
     // of client-side randomness are removed.  For example, in
     // this mode Math.random() and Date.getTime() may not return
     // values which vary.
     static bool RecordPlaybackMode() { return m_recordPlaybackMode; }
     static void setRecordPlaybackMode(bool value) { m_recordPlaybackMode = value; }
 
+    // Set/Get ShouldExposeGCController flag.
+    // Some WebKit layout test need window.GCController.collect() to
+    // trigger GC, this flag lets the binding code expose
+    // window.GCController.collect() to the JavaScript code.
+    // 
+    // GCController.collect() needs V8 engine expose gc() function by passing
+    // '--expose-gc' flag to the engine.
+    static bool shouldExposeGCController() {
+        return m_shouldExposeGCController;
+    }
+    static void setShouldExposeGCController(bool value) {
+        m_shouldExposeGCController = value;
+    }
+
     void finishedWithEvent(Event*);
     void setEventHandlerLineno(int lineno);
 
     void setProcessingTimerCallback(bool b) { m_processingTimerCallback = b; }
     bool processingUserGesture() const;
 
     void setPaused(bool b) { m_paused = b; }
     bool isPaused() const { return m_paused; }
 
     const String* sourceURL() const { return m_sourceURL; } // 0 if we are not evaluating any script
 
     void clearWindowShell();
     void updateDocument();
 
     void pauseTimeouts(OwnPtr<PausedTimeouts>&);
     void resumeTimeouts(OwnPtr<PausedTimeouts>&);
 
     void clearScriptObjects();
     void cleanupScriptObjectsForPlugin(void*);
 
 #if ENABLE(NETSCAPE_PLUGIN_API)
     NPObject* createScriptObjectForPluginElement(HTMLPlugInElement*);
     NPObject* windowScriptNPObject();
 #endif
 
 private:
     static bool m_recordPlaybackMode;
+    static bool m_shouldExposeGCController;
 
     Frame* m_frame;
     const String* m_sourceURL;
 
     bool m_processingTimerCallback;
     bool m_paused;
 
     OwnPtr<V8Proxy> m_proxy;
     typedef HashMap<void*, NPObject*> PluginObjectMap;
 
@@ skipping 23 matching lines @@
     JSInstanceHolder& operator=(JSInstanceHandle);
     static JSInstance EmptyInstance();
 
 private:
     JSPersistentInstance m_instance;
 };
 
 }  // namespace WebCore
 
 #endif  // ScriptController_h