Make chrome/common pass "gn check"

chrome/common/chrome_content_client.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/common/chrome_content_client.h"
 
 #if defined(OS_LINUX)
 #include <fcntl.h>
 #endif  // defined(OS_LINUX)
 
@@ skipping 50 matching lines @@
 #include "components/nacl/common/nacl_sandbox_type.h"
 #endif
 
 #if defined(ENABLE_EXTENSIONS)
 #include "extensions/common/features/behavior_feature.h"
 #include "extensions/common/features/feature_provider.h"
 #endif
 
 #if defined(ENABLE_PLUGINS)
 #include "content/public/common/pepper_plugin_info.h"
-#include "flapper_version.h"  // In SHARED_INTERMEDIATE_DIR.
+#include "flapper_version.h"  // nogncheck  In SHARED_INTERMEDIATE_DIR.
 #include "ppapi/shared_impl/ppapi_permissions.h"
 #endif
 
 #if defined(WIDEVINE_CDM_AVAILABLE) && defined(ENABLE_PEPPER_CDMS) && \
     !defined(WIDEVINE_CDM_IS_COMPONENT)
 #include "chrome/common/widevine_cdm_constants.h"
 #endif
 
 namespace {
 
@@ skipping 543 matching lines @@
           ->IsAvailableToEnvironment()
           .is_available())
     schemes->insert(extensions::kExtensionScheme);
 #endif
 }
 
 bool ChromeContentClient::IsSupplementarySiteIsolationModeEnabled() {
   return base::CommandLine::ForCurrentProcess()->HasSwitch(
       switches::kIsolateExtensions);
 }