Move remaining non-test, non-Chrome-specific Prefs code to base/prefs/.

chrome/browser/ui/gtk/gtk_theme_service.cc

 // Copyright (c) 2012 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/gtk/gtk_theme_service.h"
 
 #include <gtk/gtk.h>
 
 #include <set>
 #include <string>
 
 #include "base/debug/trace_event.h"
 #include "base/environment.h"
 #include "base/nix/xdg_util.h"
+#include "base/prefs/pref_service.h"
 #include "base/stl_util.h"
-#include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/themes/theme_service_factory.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_list.h"
 #include "chrome/browser/ui/browser_window.h"
 #include "chrome/browser/ui/gtk/chrome_gtk_frame.h"
 #include "chrome/browser/ui/gtk/gtk_chrome_button.h"
 #include "chrome/browser/ui/gtk/gtk_chrome_link_button.h"
 #include "chrome/browser/ui/gtk/gtk_util.h"
 #include "chrome/browser/ui/gtk/hover_controller_gtk.h"
@@ skipping 1117 matching lines @@
   cairo_stroke(cr);
   cairo_destroy(cr);
   cairo_pattern_destroy(pattern);
 
   return TRUE;
 }
 
 void GtkThemeService::OnUsesSystemThemeChanged() {
   use_gtk_ = profile()->GetPrefs()->GetBoolean(prefs::kUsesSystemTheme);
 }