CppTools: Add UI for file size limit of indexer

Task-number: QTCREATORBUG-16712
Change-Id: I92db8cbcac9669cbd5e4ee5f7ef6f613797c753a
Reviewed-by: David Schulz <david.schulz@qt.io>
Reviewed-by: Orgad Shaneh <orgads@gmail.com>

src/plugins/cpptools/cppcodemodelsettingspage.h

@@ -57,9 +57,11 @@ public:
 private:
     void setupClangCodeModelWidgets();
     void setupPchCheckBox() const;
+    void setupSkipIndexingFilesWidgets();
 
     bool applyClangCodeModelWidgetsToSettings() const;
     bool applyPchCheckBoxToSettings() const;
+    bool applySkipIndexingFilesWidgets() const;
 
 private:
     Ui::CppCodeModelSettingsPage *m_ui;