Clean up unused grit header includes in chrome/

chrome/common/extensions/permissions/chrome_permission_message_provider.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/common/extensions/permissions/chrome_permission_message_provider.h"
 
 #include <vector>
 
 #include "base/metrics/field_trial.h"
 #include "base/stl_util.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/common/extensions/permissions/chrome_permission_message_rules.h"
-#include "chrome/grit/generated_resources.h"
 #include "extensions/common/extensions_client.h"
 #include "extensions/common/permissions/permission_message_util.h"
 #include "extensions/common/permissions/permission_set.h"
 #include "extensions/common/url_pattern.h"
 #include "extensions/common/url_pattern_set.h"
-#include "extensions/strings/grit/extensions_strings.h"
 #include "url/gurl.h"
 
 namespace extensions {
 
 namespace {
 
 // Copyable wrapper to make PermissionMessages comparable.
 class ComparablePermission {
  public:
   explicit ComparablePermission(const PermissionMessage& msg) : msg_(&msg) {}
@@ skipping 213 matching lines @@
   std::set<std::string> old_hosts_set(
       permission_message_util::GetDistinctHosts(old_list, false, false));
   std::set<std::string> new_hosts_only =
       base::STLSetDifference<std::set<std::string> >(new_hosts_set,
                                                      old_hosts_set);
 
   return !new_hosts_only.empty();
 }
 
 }  // namespace extensions