C++: move post-sourceprocessing action into callback.

Change-Id: Iac6c9fe1ada27ac0d96417e490cc5723e6969541
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@digia.com>

src/plugins/cpptools/cppmodelmanager.h

@@ -49,6 +49,7 @@ class CppEditorSupport;
 namespace Internal {
 
 class CppFindReferences;
+class CppSourceProcessor;
 
 class CppModelManager : public CppTools::CppModelManagerInterface
 {
@@ -155,6 +156,8 @@ public:
 
     static QStringList timeStampModifiedFiles(const QList<Document::Ptr> &documentsToCheck);
 
+    static CppSourceProcessor *createSourceProcessor();
+
 signals:
     void gcFinished(); // Needed for tests.