debugger: enable forceful abort of mixed qml/cpp engine

Change-Id: I815f0bf91e8ca58c9e472f81a234834dc341f29d
Reviewed-by: Kai Koehne <kai.koehne@nokia.com>

src/plugins/debugger/qml/qmlcppengine.cpp

@@ -505,6 +505,13 @@ void QmlCppEngine::shutdownEngine()
     d->m_cppEngine->shutdownSlaveEngine();
 }
 
+void QmlCppEngine::abortDebugger()
+{
+    EDEBUG("\nMASTER ABORT DEBUGGER");
+    d->m_qmlEngine->abortDebugger();
+    d->m_cppEngine->abortDebugger();
+}
+
 void QmlCppEngine::setState(DebuggerState newState, bool forced)
 {
     EDEBUG("SET MASTER STATE: " << newState);

src/plugins/debugger/qml/qmlcppengine.h

@@ -118,6 +118,7 @@ protected:
     void runEngine();
     void shutdownInferior();
     void shutdownEngine();
+    void abortDebugger();
 
     void notifyInferiorRunOk();
     void notifyInferiorSpontaneousStop();