Move SecurityLevel into a class of its own

chrome/chrome_browser.gypi

Index: chrome/chrome_browser.gypi
diff --git a/chrome/chrome_browser.gypi b/chrome/chrome_browser.gypi
index 2911c216e880335359f54a2777e1e586860a3f50..52fe95036e6626de39abe9c333f9e6ea4234f2df 100644
--- a/chrome/chrome_browser.gypi
+++ b/chrome/chrome_browser.gypi
@@ -2660,6 +2660,8 @@
       'browser/ssl/chrome_ssl_host_state_delegate.h',
       'browser/ssl/chrome_ssl_host_state_delegate_factory.cc',
       'browser/ssl/chrome_ssl_host_state_delegate_factory.h',
+      'browser/ssl/security_level_policy.cc',
+      'browser/ssl/security_level_policy.h',
       'browser/ssl/ssl_blocking_page.cc',
       'browser/ssl/ssl_blocking_page.h',
       'browser/ssl/ssl_cert_reporter.h',
@@ -3817,10 +3819,10 @@
         },
         {
           # GN: //chrome/android:chrome_android_java_enums_srcjar
-          'target_name': 'toolbar_model_security_levels_java',
+          'target_name': 'security_level_policy_security_levels_java',
           'type': 'none',
           'variables': {
-            'source_file': 'browser/ui/toolbar/toolbar_model.h',
+            'source_file': 'browser/ssl/security_level_policy.h',
           },
           'includes': [ '../build/android/java_cpp_enum.gypi' ],
         },