Switch pointers to ScopedPointers in MainWindow

MainWindow now points to the ProcessorGraph and AudioComponent
with ScopedPointers. deleteAndZero must no longer be called
in the destructor.

Source/MainWindow.cpp

@@ -74,25 +74,19 @@ MainWindow::~MainWindow()
   if (audioComponent->callbacksAreActive()) {
       audioComponent->endCallbacks();
       processorGraph->disableProcessors();
-    }
+  } 
 
    saveWindowBounds();
-  // processorGraph->saveState();
 
    audioComponent->disconnectProcessorGraph();
    UIComponent* ui = (UIComponent*) getContentComponent();
    ui->disableDataViewport();
 
-   deleteAndZero(processorGraph);
-   deleteAndZero(audioComponent);
-
    setMenuBar(0);
 
    #if JUCE_MAC 
        MenuBarModel::setMacMainMenu (0);
-  #endif
-
-  // setContentComponent (0);
+   #endif
 
 }
 

Source/MainWindow.h

@@ -73,10 +73,10 @@ private:
     void loadWindowBounds();
 
     /** A pointer to the application's AudioComponent (owned by the MainWindow). */
-   AudioComponent* audioComponent;
+   ScopedPointer<AudioComponent> audioComponent;
 
    /** A pointer to the application's ProcessorGraph (owned by the MainWindow). */
-   ProcessorGraph* processorGraph;
+   ScopedPointer<ProcessorGraph> processorGraph;
 
     JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (MainWindow)