Move the qmljsdebugargument variable to QGuiApplication

This used to reside in QApplication, but we need it here
to remove a dependency of QtDeclarative onto widgets.

Change-Id: I119fef1d51387087b00e08aff1ee4b00503a6cd5
Reviewed-on: http://codereview.qt.nokia.com/3926
Reviewed-by: Samuel Rødal <samuel.rodal@nokia.com>

src/gui/kernel/qguiapplication_p.h

@@ -176,6 +176,10 @@ public:
     static QFont *app_font;
 
     static bool quitOnLastWindowClosed;
+
+    QString qmljs_debug_arguments; // a string containing arguments for js/qml debugging.
+    inline QString qmljsDebugArgumentsString() { return qmljs_debug_arguments; }
+
 private:
     void init();
 

src/widgets/kernel/qapplication.cpp

@@ -486,7 +486,6 @@ bool QApplicationPrivate::fade_tooltip = false;
 bool QApplicationPrivate::animate_toolbox = false;
 bool QApplicationPrivate::widgetCount = false;
 bool QApplicationPrivate::load_testability = false;
-QString QApplicationPrivate::qmljs_debug_arguments;
 #ifdef QT_KEYPAD_NAVIGATION
 #  ifdef Q_OS_SYMBIAN
 Qt::NavigationMode QApplicationPrivate::navigationMode = Qt::NavigationModeKeypadDirectional;
@@ -5620,11 +5619,6 @@ QGestureManager* QGestureManager::instance()
 }
 #endif // QT_NO_GESTURES
 
-QString QApplicationPrivate::qmljsDebugArgumentsString()
-{
-    return qmljs_debug_arguments;
-}
-
 QT_END_NAMESPACE
 
 #include "moc_qapplication.cpp"

src/widgets/kernel/qapplication_p.h

@@ -438,8 +438,6 @@ public:
     static bool animate_toolbox;
     static bool widgetCount; // Coupled with -widgetcount switch
     static bool load_testability; // Coupled with -testability switch
-    static QString qmljs_debug_arguments; // a string containing arguments for js/qml debugging.
-    static QString qmljsDebugArgumentsString(); // access string from other libraries
 
 #ifdef Q_WS_MAC
     static bool native_modal_dialog_active;