Clang: Break dependency to visible Core::EditorManager::visibleEditors()

Change-Id: I4157cd190a8c00b07c0e2f3eeeab18409f2405b7
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@theqtcompany.com>

src/plugins/cpptools/cpptoolsbridge.cpp

@@ -27,6 +27,8 @@
 
 #include "cpptoolsbridgeinterface.h"
 
+#include <QList>
+
 namespace CppTools {
 
 std::unique_ptr<CppToolsBridgeInterface> CppToolsBridge::m_interface;
@@ -56,4 +58,9 @@ void CppToolsBridge::finishedRefreshingSourceFiles(const QSet<QString> &filePath
     m_interface->finishedRefreshingSourceFiles(filePaths);
 }
 
+QList<Core::IEditor *> CppToolsBridge::visibleEditors()
+{
+    return m_interface->visibleEditors();
+}
+
 } // namespace CppTools