Clean up unused grit header includes in chrome/

chrome/browser/plugins/plugin_observer.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/plugins/plugin_observer.h"
 
 #include <utility>
 
 #include "base/auto_reset.h"
 #include "base/bind.h"
@@ skipping 10 matching lines @@
 #include "chrome/browser/plugins/plugin_finder.h"
 #include "chrome/browser/plugins/plugin_infobar_delegates.h"
 #include "chrome/browser/plugins/plugin_installer.h"
 #include "chrome/browser/plugins/plugin_installer_observer.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/tab_modal_confirm_dialog.h"
 #include "chrome/browser/ui/tab_modal_confirm_dialog_delegate.h"
 #include "chrome/common/features.h"
 #include "chrome/common/render_messages.h"
 #include "chrome/grit/generated_resources.h"
-#include "chrome/grit/theme_resources.h"
 #include "components/component_updater/component_updater_service.h"
 #include "components/content_settings/core/browser/host_content_settings_map.h"
 #include "components/infobars/core/confirm_infobar_delegate.h"
 #include "components/infobars/core/infobar.h"
 #include "components/infobars/core/infobar_delegate.h"
 #include "components/infobars/core/simple_alert_infobar_delegate.h"
 #include "components/metrics_services_manager/metrics_services_manager.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/plugin_service.h"
 #include "content/public/browser/render_frame_host.h"
@@ skipping 287 matching lines @@
       plugin_path);
   base::string16 plugin_name =
       PluginService::GetInstance()->GetPluginDisplayNameByPath(plugin_path);
   SimpleAlertInfoBarDelegate::Create(
       InfoBarService::FromWebContents(web_contents()),
       infobars::InfoBarDelegate::PLUGIN_OBSERVER, &kExtensionCrashedIcon,
       l10n_util::GetStringFUTF16(IDS_PLUGIN_INITIALIZATION_ERROR_PROMPT,
                                  plugin_name),
       true);
 }