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diff --git a/src/3rdparty/webkit/WebCore/bindings/js/ScriptDebugServer.h b/src/3rdparty/webkit/WebCore/bindings/js/ScriptDebugServer.h
new file mode 100644
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+++ b/src/3rdparty/webkit/WebCore/bindings/js/ScriptDebugServer.h
@@ -0,0 +1,153 @@
+/*
+ * Copyright (C) 2008 Apple Inc. All rights reserved.
+ * Copyright (C) 2010 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:
+ *
+ * 1.  Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ * 2.  Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
+ *     its contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef ScriptDebugServer_h
+#define ScriptDebugServer_h
+
+#if ENABLE(JAVASCRIPT_DEBUGGER)
+
+#include "PlatformString.h"
+#include "ScriptBreakpoint.h"
+#include "ScriptState.h"
+#include "Timer.h"
+
+#include <debugger/Debugger.h>
+#include <runtime/UString.h>
+#include <wtf/HashMap.h>
+#include <wtf/HashSet.h>
+#include <wtf/RefPtr.h>
+
+namespace JSC {
+class DebuggerCallFrame;
+class JSGlobalObject;
+}
+namespace WebCore {
+
+class Frame;
+class FrameView;
+class Page;
+class PageGroup;
+class ScriptDebugListener;
+class JavaScriptCallFrame;
+
+class ScriptDebugServer : JSC::Debugger, public Noncopyable {
+public:
+    static ScriptDebugServer& shared();
+
+    void addListener(ScriptDebugListener*, Page*);
+    void removeListener(ScriptDebugListener*, Page*);
+
+    void setBreakpoint(const String& sourceID, unsigned lineNumber, ScriptBreakpoint breakpoint);
+    void removeBreakpoint(const String& sourceID, unsigned lineNumber);
+    void clearBreakpoints();
+    void setBreakpointsActivated(bool activated);
+
+    enum PauseOnExceptionsState {
+        DontPauseOnExceptions,
+        PauseOnAllExceptions,
+        PauseOnUncaughtExceptions
+    };
+    PauseOnExceptionsState pauseOnExceptionsState() const { return m_pauseOnExceptionsState; }
+    void setPauseOnExceptionsState(PauseOnExceptionsState);
+
+    void pauseProgram();
+    void continueProgram();
+    void stepIntoStatement();
+    void stepOverStatement();
+    void stepOutOfFunction();
+
+    void recompileAllJSFunctionsSoon();
+    void recompileAllJSFunctions(Timer<ScriptDebugServer>* = 0);
+
+    JavaScriptCallFrame* currentCallFrame();
+    ScriptState* currentCallFrameState();
+
+    void pageCreated(Page*);
+
+private:
+    typedef HashSet<ScriptDebugListener*> ListenerSet;
+    typedef void (ScriptDebugListener::*JavaScriptExecutionCallback)();
+
+    ScriptDebugServer();
+    ~ScriptDebugServer();
+
+    bool hasBreakpoint(intptr_t sourceID, unsigned lineNumber) const;
+    bool hasListeners() const { return !m_listeners.isEmpty() || !m_pageListenersMap.isEmpty(); }
+    bool hasGlobalListeners() const { return !m_listeners.isEmpty(); }
+    bool hasListenersInterestedInPage(Page*);
+
+    void setJavaScriptPaused(const PageGroup&, bool paused);
+    void setJavaScriptPaused(Page*, bool paused);
+    void setJavaScriptPaused(Frame*, bool paused);
+    void setJavaScriptPaused(FrameView*, bool paused);
+
+    void dispatchFunctionToListeners(JavaScriptExecutionCallback, Page*);
+    void dispatchFunctionToListeners(const ListenerSet& listeners, JavaScriptExecutionCallback callback);
+    void dispatchDidParseSource(const ListenerSet& listeners, const JSC::SourceCode& source);
+    void dispatchFailedToParseSource(const ListenerSet& listeners, const JSC::SourceCode& source, int errorLine, const String& errorMessage);
+
+    void pauseIfNeeded(Page*);
+
+    virtual void detach(JSC::JSGlobalObject*);
+
+    virtual void sourceParsed(JSC::ExecState*, const JSC::SourceCode&, int errorLine, const JSC::UString& errorMsg);
+    virtual void callEvent(const JSC::DebuggerCallFrame&, intptr_t sourceID, int lineNumber);
+    virtual void atStatement(const JSC::DebuggerCallFrame&, intptr_t sourceID, int firstLine);
+    virtual void returnEvent(const JSC::DebuggerCallFrame&, intptr_t sourceID, int lineNumber);
+    virtual void exception(const JSC::DebuggerCallFrame&, intptr_t sourceID, int lineNumber, bool hasHandler);
+    virtual void willExecuteProgram(const JSC::DebuggerCallFrame&, intptr_t sourceID, int lineno);
+    virtual void didExecuteProgram(const JSC::DebuggerCallFrame&, intptr_t sourceID, int lineno);
+    virtual void didReachBreakpoint(const JSC::DebuggerCallFrame&, intptr_t sourceID, int lineno);
+
+    void didAddListener(Page*);
+    void didRemoveListener(Page*);
+    void didRemoveLastListener();
+
+    typedef HashMap<Page*, ListenerSet*> PageListenersMap;
+    typedef HashMap<intptr_t, SourceBreakpoints> BreakpointsMap;
+
+    PageListenersMap m_pageListenersMap;
+    ListenerSet m_listeners;
+    bool m_callingListeners;
+    PauseOnExceptionsState m_pauseOnExceptionsState;
+    bool m_pauseOnNextStatement;
+    bool m_paused;
+    bool m_doneProcessingDebuggerEvents;
+    bool m_breakpointsActivated;
+    JavaScriptCallFrame* m_pauseOnCallFrame;
+    RefPtr<JavaScriptCallFrame> m_currentCallFrame;
+    BreakpointsMap m_breakpoints;
+    Timer<ScriptDebugServer> m_recompileTimer;
+};
+
+} // namespace WebCore
+
+#endif // ENABLE(JAVASCRIPT_DEBUGGER)
+
+#endif // ScriptDebugServer_h