Core: remove some unused context handling functions

Change-Id: Ib92a2044ff84108416d315aaf68602b2dd41c7eb
Reviewed-by: Daniel Teske <daniel.teske@digia.com>

src/plugins/coreplugin/actionmanager/actionmanager.cpp

@@ -445,11 +445,6 @@ bool ActionManager::isPresentationModeEnabled()
     return m_instance->d->m_presentationLabel;
 }
 
-bool ActionManager::hasContext(int context)
-{
-    return m_instance->d->m_context.contains(context);
-}
-
 /*!
     \class ActionManagerPrivate
     \inheaderfile actionmanager_p.h

src/plugins/coreplugin/actionmanager/actionmanager.h

@@ -76,8 +76,6 @@ public:
     static void setPresentationModeEnabled(bool enabled);
     static bool isPresentationModeEnabled();
 
-    static bool hasContext(int context);
-
 signals:
     void commandListChanged();
     void commandAdded(const QString &id);

src/plugins/coreplugin/icore.cpp

@@ -532,11 +532,6 @@ void ICore::updateAdditionalContexts(const Context &remove, const Context &add)
     m_mainwindow->updateAdditionalContexts(remove, add);
 }
 
-bool ICore::hasContext(int context)
-{
-    return m_mainwindow->hasContext(context);
-}
-
 void ICore::addContextObject(IContext *context)
 {
     m_mainwindow->addContextObject(context);

src/plugins/coreplugin/icore.h

@@ -117,7 +117,6 @@ public:
     // Adds and removes additional active contexts, these contexts are appended
     // to the currently active contexts.
     static void updateAdditionalContexts(const Context &remove, const Context &add);
-    static bool hasContext(int context);
     static void addContextObject(IContext *context);
     static void removeContextObject(IContext *context);
 

src/plugins/coreplugin/mainwindow.cpp

@@ -1226,11 +1226,6 @@ void MainWindow::updateAdditionalContexts(const Context &remove, const Context &
     updateContext();
 }
 
-bool MainWindow::hasContext(int context) const
-{
-    return ActionManager::hasContext(context);
-}
-
 void MainWindow::updateContext()
 {
     Context contexts;

src/plugins/coreplugin/mainwindow.h

@@ -115,7 +115,6 @@ public:
     QStatusBar *statusBar() const;
 
     void updateAdditionalContexts(const Context &remove, const Context &add);
-    bool hasContext(int context) const;
 
     void setSuppressNavigationWidget(bool suppress);