Cleanup: Remove unneeded includes of pref_names.h

chrome/browser/app_controller_mac.mm

 // Copyright (c) 2010 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.
 
 #import "chrome/browser/app_controller_mac.h"
 
 #include "app/l10n_util.h"
 #include "app/l10n_util_mac.h"
 #include "base/auto_reset.h"
 #include "base/command_line.h"
@@ skipping 34 matching lines @@
 #import "chrome/browser/ui/cocoa/import_settings_dialog.h"
 #import "chrome/browser/ui/cocoa/preferences_window_controller.h"
 #import "chrome/browser/ui/cocoa/tab_strip_controller.h"
 #import "chrome/browser/ui/cocoa/tab_window_controller.h"
 #include "chrome/browser/ui/cocoa/task_manager_mac.h"
 #include "chrome/browser/ui/options/options_window.h"
 #include "chrome/common/app_mode_common_mac.h"
 #include "chrome/common/chrome_paths_internal.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/notification_service.h"
-#include "chrome/common/pref_names.h"
 #include "chrome/common/url_constants.h"
 #include "grit/chromium_strings.h"
 #include "grit/generated_resources.h"
 #include "net/base/net_util.h"
 
 // 10.6 adds a public API for the Spotlight-backed search menu item in the Help
 // menu.  Provide the declaration so it can be called below when building with
 // the 10.5 SDK.
 #if !defined(MAC_OS_X_VERSION_10_6) || \
     MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_6
@@ skipping 1195 matching lines @@
   [appController showPreferencesWindow:nil page:page profile:profile];
 }
 
 namespace app_controller_mac {
 
 bool IsOpeningNewWindow() {
   return g_is_opening_new_window;
 }
 
 }  // namespace app_controller_mac