Clang: Remove unused functions

Change-Id: Id5bf1852b308ef84d8cfd575a60f084326729ac2
Reviewed-by: Marco Bubke <marco.bubke@qt.io>

src/plugins/clangcodemodel/clangbackendcommunicator.cpp

@@ -519,20 +519,6 @@ void BackendCommunicator::initializeBackendWithCurrentData()
     registerCurrentCodeModelUiHeaders();
     restoreCppEditorDocuments();
     updateTranslationUnitVisiblity();
-
-    emit backendReinitialized();
-}
-
-BackendSender *BackendCommunicator::setBackendSender(BackendSender *sender)
-{
-    BackendSender *previousSender = m_sender.take();
-    m_sender.reset(sender);
-    return previousSender;
-}
-
-void BackendCommunicator::killBackendProcess()
-{
-    m_connection.processForTestOnly()->kill();
 }
 
 void BackendCommunicator::registerTranslationUnitsForEditor(const FileContainers &fileContainers)

src/plugins/clangcodemodel/clangbackendcommunicator.h

@@ -113,13 +113,6 @@ public:
 
     bool isNotWaitingForCompletion() const;
 
-public: // for tests
-    BackendSender *setBackendSender(BackendSender *sender);
-    void killBackendProcess();
-
-signals: // for tests
-    void backendReinitialized();
-
 private:
     void initializeBackend();
     void initializeBackendWithCurrentData();

src/plugins/clangcodemodel/clangbackendsender.cpp

@@ -141,10 +141,5 @@ void BackendSender::updateVisibleTranslationUnits(const UpdateVisibleTranslation
     m_connection->serverProxy().updateVisibleTranslationUnits(message);
 }
 
-bool BackendSender::isConnected() const
-{
-    return m_connection && m_connection->isConnected();
-}
-
 } // namespace Internal
 } // namespace ClangCodeModel

src/plugins/clangcodemodel/clangbackendsender.h

@@ -52,9 +52,6 @@ public:
     void requestFollowSymbol(const ClangBackEnd::RequestFollowSymbolMessage &message) override;
     void updateVisibleTranslationUnits(const ClangBackEnd::UpdateVisibleTranslationUnitsMessage &message) override;
 
-private:
-    bool isConnected() const;
-
 private:
     ClangBackEnd::ClangCodeModelConnectionClient *m_connection = nullptr;
 };