Clean up most of the ChromeOS headers in non-ChromeOS build

chrome/browser/ssl/security_state_tab_helper.cc

Index: chrome/browser/ssl/security_state_tab_helper.cc
diff --git a/chrome/browser/ssl/security_state_tab_helper.cc b/chrome/browser/ssl/security_state_tab_helper.cc
index 56bb71394238d7f51fee714c9999bce93b7b2c53..a5c7c949fe2d169e1ea445c76a2e3ad09acb2ae2 100644
--- a/chrome/browser/ssl/security_state_tab_helper.cc
+++ b/chrome/browser/ssl/security_state_tab_helper.cc
@@ -9,8 +9,6 @@
 #include "base/time/time.h"
 #include "build/build_config.h"
 #include "chrome/browser/browser_process.h"
-#include "chrome/browser/chromeos/policy/policy_cert_service.h"
-#include "chrome/browser/chromeos/policy/policy_cert_service_factory.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/safe_browsing/safe_browsing_service.h"
 #include "chrome/browser/safe_browsing/ui_manager.h"
@@ -29,6 +27,11 @@
 #include "third_party/boringssl/src/include/openssl/ssl.h"
 #include "ui/base/l10n/l10n_util.h"
 
+#if defined(OS_CHROMEOS)
+#include "chrome/browser/chromeos/policy/policy_cert_service.h"
+#include "chrome/browser/chromeos/policy/policy_cert_service_factory.h"
+#endif  // defined(OS_CHROMEOS)
+
 DEFINE_WEB_CONTENTS_USER_DATA_KEY(SecurityStateTabHelper);
 
 using safe_browsing::SafeBrowsingUIManager;