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

chrome/browser/ui/libgtkui/BUILD.gn

 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 assert(is_linux, "This file should only be referenced on Linux")
 
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 
 # gn orders flags on a target before flags from configs. The default config
@@ skipping 14 matching lines @@
 
 common_sources = [
   "app_indicator_icon.cc",
   "app_indicator_icon.h",
   "app_indicator_icon_menu.cc",
   "app_indicator_icon_menu.h",
   "chrome_gtk_frame.cc",
   "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 = []
 
 if (use_gconf) {
   common_sources += [
     "gconf_listener.cc",
     "gconf_listener.h",
   ]
   common_configs += [ "//build/config/linux/gconf" ]
@@ skipping 65 matching lines @@
   defines = [ "LIBGTKUI_IMPLEMENTATION" ]
 
   deps = common_deps + [
            "//build/config/linux/gtk3",
            "//build/config/linux/gtk3:gtkprint3",
          ]
   public_deps = [
     "//chrome/browser:theme_properties",
   ]
 }