Cleanup: Remove unneeded chrome/browser/prefs/pref_service.h usage....

chrome/browser/ui/views/clear_server_data.cc

 // Copyright (c) 2011 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/views/clear_server_data.h"
 
 #include "app/l10n_util.h"
 #include "app/resource_bundle.h"
 #include "base/command_line.h"
 #include "base/string16.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/browser_window.h"
-#include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/search_engines/template_url_model.h"
 #include "chrome/browser/sync/profile_sync_service.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/common/chrome_switches.h"
 #include "gfx/insets.h"
 #include "grit/generated_resources.h"
 #include "grit/locale_settings.h"
 #include "net/url_request/url_request_context.h"
 #include "views/background.h"
@@ skipping 312 matching lines @@
     throbber_->Stop();
 }
 
 void ClearServerDataView::UpdateClearButtonEnabledState(
     bool delete_in_progress) {
   this->clear_server_data_button_->SetEnabled(
       sync_service_ != NULL &&
       sync_service_->HasSyncSetupCompleted() &&
       !delete_in_progress && allow_clear_);
 }