FileManager: Move DirectoryView into the FileManager namespace

Applications/FileManager/DirectoryView.cpp

@@ -39,6 +39,8 @@
 #include <stdio.h>
 #include <unistd.h>
 
+namespace FileManager {
+
 NonnullRefPtr<GUI::Action> LauncherHandler::create_launch_action(Function<void(const LauncherHandler&)> launch_handler)
 {
     RefPtr<Gfx::Bitmap> icon;
@@ -552,3 +554,5 @@ void DirectoryView::handle_drop(const GUI::ModelIndex& index, const GUI::DropEve
         }
     }
 };
+
+}

Applications/FileManager/DirectoryView.h

@@ -37,6 +37,8 @@
 #include <LibGUI/TableView.h>
 #include <sys/stat.h>
 
+namespace FileManager {
+
 class LauncherHandler : public RefCounted<LauncherHandler> {
 public:
     LauncherHandler(const NonnullRefPtr<Desktop::Launcher::Details>& details)
@@ -187,3 +189,5 @@ private:
     RefPtr<GUI::Action> m_delete_action;
     RefPtr<GUI::Action> m_force_delete_action;
 };
+
+}

Applications/FileManager/main.cpp

@@ -68,6 +68,8 @@
 #include <string.h>
 #include <unistd.h>
 
+using namespace FileManager;
+
 static int run_in_desktop_mode(RefPtr<Core::ConfigFile>);
 static int run_in_windowed_mode(RefPtr<Core::ConfigFile>, String initial_location);