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

chrome/browser/ui/libgtkui/unity_service.cc

 // Copyright 2013 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.
 
 #include "chrome/browser/ui/libgtkui/unity_service.h"
 
 #include <dlfcn.h>
 #include <gtk/gtk.h>
 
 #include <memory>
 #include <string>
 
 #include "base/environment.h"
 #include "base/nix/xdg_util.h"
-#include "chrome/browser/ui/libgtkui/gtk2_util.h"
+#include "chrome/browser/ui/libgtkui/gtk_util.h"
 
 // Unity data typedefs.
 typedef struct _UnityInspector UnityInspector;
 typedef UnityInspector* (*unity_inspector_get_default_func)(void);
 typedef gboolean (*unity_inspector_get_unity_running_func)
     (UnityInspector* self);
 
 typedef struct _UnityLauncherEntry UnityLauncherEntry;
 typedef UnityLauncherEntry* (*unity_launcher_entry_get_for_desktop_id_func)
     (const gchar* desktop_id);
@@ skipping 111 matching lines @@
 void SetProgressFraction(float percentage) {
   EnsureMethodsLoaded();
   if (chrome_entry && entry_set_progress && entry_set_progress_visible) {
     entry_set_progress(chrome_entry, percentage);
     entry_set_progress_visible(chrome_entry,
                                percentage > 0.0 && percentage < 1.0);
   }
 }
 
 }  // namespace unity