Introduce private class for BaseFileFind.

Remove circular dependency between ITextEditor and ITextMark.

Change-Id: I2ab17a46e08ef7dd2d112320c8ab6f5d5bd91952
Reviewed-by: Fawzi Mohamed <fawzi.mohamed@digia.com>

src/plugins/texteditor/findinfiles.cpp

@@ -29,6 +29,7 @@
 
 #include "findinfiles.h"
 
+#include <utils/filesearch.h>
 #include <coreplugin/editormanager/editormanager.h>
 
 #include <QDebug>
@@ -37,6 +38,8 @@
 #include <QDirIterator>
 #include <QPushButton>
 #include <QFileDialog>
+#include <QLabel>
+#include <QComboBox>
 #include <QHBoxLayout>
 #include <QVBoxLayout>
 
@@ -49,6 +52,10 @@ FindInFiles::FindInFiles()
 {
 }
 
+FindInFiles::~FindInFiles()
+{
+}
+
 QString FindInFiles::id() const
 {
     return QLatin1String("Files on Disk");