Gtk3 UI: Rename files in libgtkui containing gtk2 in their name

chrome/browser/ui/libgtkui/BUILD.gn

Index: chrome/browser/ui/libgtkui/BUILD.gn
diff --git a/chrome/browser/ui/libgtkui/BUILD.gn b/chrome/browser/ui/libgtkui/BUILD.gn
index d970a80b5461c203fe5c38654378039314d5f165..4dceffc2fbce1c4ce9584b406aaf50884d931136 100644
--- a/chrome/browser/ui/libgtkui/BUILD.gn
+++ b/chrome/browser/ui/libgtkui/BUILD.gn
@@ -32,36 +32,36 @@ common_sources = [
   "chrome_gtk_frame.h",
   "chrome_gtk_menu_subclasses.cc",
   "chrome_gtk_menu_subclasses.h",
-  "gtk2_event_loop.cc",
-  "gtk2_event_loop.h",
-  "gtk2_key_bindings_handler.cc",
-  "gtk2_key_bindings_handler.h",
-  "gtk2_status_icon.cc",
-  "gtk2_status_icon.h",
-  "gtk2_ui.cc",
-  "gtk2_ui.h",
-  "gtk2_util.cc",
-  "gtk2_util.h",
+  "gtk_event_loop.cc",
+  "gtk_event_loop.h",
+  "gtk_key_bindings_handler.cc",
+  "gtk_key_bindings_handler.h",
+  "gtk_status_icon.cc",
+  "gtk_status_icon.h",
+  "gtk_ui.cc",
+  "gtk_ui.h",
+  "gtk_util.cc",
+  "gtk_util.h",
   "libgtkui_export.h",
   "menu_util.cc",
   "menu_util.h",
-  "native_theme_gtk2.cc",
-  "native_theme_gtk2.h",
-  "print_dialog_gtk2.cc",
-  "print_dialog_gtk2.h",
-  "printing_gtk2_util.cc",
-  "printing_gtk2_util.h",
+  "native_theme_gtk.cc",
+  "native_theme_gtk.h",
+  "print_dialog_gtk.cc",
+  "print_dialog_gtk.h",
+  "printing_gtk_util.cc",
+  "printing_gtk_util.h",
   "select_file_dialog_impl.cc",
   "select_file_dialog_impl.h",
-  "select_file_dialog_impl_gtk2.cc",
-  "select_file_dialog_impl_gtk2.h",
+  "select_file_dialog_impl_gtk.cc",
+  "select_file_dialog_impl_gtk.h",
   "select_file_dialog_impl_kde.cc",
-  "skia_utils_gtk2.cc",
-  "skia_utils_gtk2.h",
+  "skia_utils_gtk.cc",
+  "skia_utils_gtk.h",
   "unity_service.cc",
   "unity_service.h",
-  "x11_input_method_context_impl_gtk2.cc",
-  "x11_input_method_context_impl_gtk2.h",
+  "x11_input_method_context_impl_gtk.cc",
+  "x11_input_method_context_impl_gtk.h",
 ]
 
 common_configs = []