C++: Move the ModelManagerInterface from CppTools to CPlusPlus.

src/plugins/cpptools/cpprefactoringchanges.cpp

@@ -36,6 +36,7 @@
 #include <TranslationUnit.h>
 #include <AST.h>
 #include <cpptools/cppcodeformatter.h>
+#include <cpptools/cppmodelmanager.h>
 #include <texteditor/texteditorsettings.h>
 #include <texteditor/tabsettings.h>
 
@@ -47,7 +48,7 @@ using namespace Utils;
 
 CppRefactoringChanges::CppRefactoringChanges(const Snapshot &snapshot)
     : m_snapshot(snapshot)
-    , m_modelManager(CppTools::CppModelManagerInterface::instance())
+    , m_modelManager(Internal::CppModelManager::instance())
 {
     Q_ASSERT(m_modelManager);
     m_workingCopy = m_modelManager->workingCopy();