Support merged Dart-JS callstacks

Source/bindings/dart/DartScriptDebugServer.h

 /*
  * Copyright (C) 2014 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 231 matching lines @@
     void cancelDebugBreak();
     Page* inferPage(Dart_Isolate);
 
     Vector<Dart_Isolate> isolates();
     Vector<DartPageDebug*> pages();
 
     ScriptDebugServer::PauseOnExceptionsState m_pauseOnExceptionState;
     bool m_breakpointsActivated;
     bool m_runningNestedMessageLoop;
     Dart_StackTrace m_executionState;
+    bool m_isPaused;
     Dart_Isolate m_pausedIsolate;
     Page* m_pausedPage;
     HashSet<Dart_Isolate> m_interruptCalled;
     HashSet<Dart_Isolate> m_interruptCancelled;
 
     typedef HashMap<int, DartPageDebug*> DebugDataMap;
     DebugDataMap m_pageIdToDebugDataMap;
     typedef HashMap<Page*, int> PageToIdMap;
     PageToIdMap m_pageToIdMap;
 
@@ skipping 59 matching lines @@
 
     bool isDartSourceID(const String& sourceID);
     bool isDartBreakpointId(const String& breakpointId);
     DartScriptDebugServer* m_dart;
     PageScriptDebugServer* m_v8;
 };
 
 }
 
 #endif // DartScriptDebugServer_h