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

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

src/plugins/cpptools/cpptoolsbridgeqtcreatorimplementation.cpp

@@ -30,6 +30,8 @@
 #include "projectpart.h"
 #include "editordocumenthandle.h"
 
+#include <coreplugin/editormanager/editormanager.h>
+
 namespace CppTools {
 
 namespace Internal {
@@ -86,6 +88,11 @@ void CppToolsBridgeQtCreatorImplementation::finishedRefreshingSourceFiles(
     CppModelManager::instance()->finishedRefreshingSourceFiles(filePaths);
 }
 
+QList<Core::IEditor *> CppToolsBridgeQtCreatorImplementation::visibleEditors() const
+{
+    return Core::EditorManager::visibleEditors();
+}
+
 } // namespace Internal
 
 } // namespace CppTools