Allow device policy code to be optionally included.

chrome/chrome_browser.gypi

Index: chrome/chrome_browser.gypi
diff --git a/chrome/chrome_browser.gypi b/chrome/chrome_browser.gypi
index abbc724e2e20e1a4b4cfc6daeda3172b0ebb336e..91e781891dc85f0557f17f6cb9774b5d066f725f 100644
--- a/chrome/chrome_browser.gypi
+++ b/chrome/chrome_browser.gypi
@@ -1614,6 +1614,7 @@
         '<(protoc_out_dir)/chrome/browser/policy/proto/chrome_device_policy.pb.h',
         '<(protoc_out_dir)/chrome/browser/policy/proto/device_management_backend.pb.cc',
         '<(protoc_out_dir)/chrome/browser/policy/proto/device_management_backend.pb.h',
+        'browser/policy/policy_stubs.cc',
         'browser/policy/proto/device_management_constants.cc',
         'browser/policy/proto/device_management_constants.h',
         '<(protoc_out_dir)/chrome/browser/policy/proto/device_management_local.pb.cc',
@@ -3455,6 +3456,7 @@
         'browser/ui/webui/options/language_options_handler_common.h',
         'browser/ui/webui/options/options_managed_banner_handler.cc',
         'browser/ui/webui/options/options_managed_banner_handler.h',
+        'browser/ui/webui/options/options_managed_banner_handler_stub.cc',
         'browser/ui/webui/options/options_ui.cc',
         'browser/ui/webui/options/options_ui.h',
         'browser/ui/webui/options/password_manager_handler.cc',
@@ -3563,6 +3565,18 @@
             'DEBUG_DEVTOOLS=1',
           ],
         }],
+        ['configuration_policy==1', {
+           'sources!': [
+             'browser/policy/policy_stubs.cc',
+             'browser/ui/webui/options/options_managed_banner_handler_stub.cc',
+           ],
+         }, {
+           'sources/': [
+             ['exclude', '^browser/policy/'],
+             ['include', '^browser/policy/policy_stubs.cc'],
+             ['exclude', '^browser/ui/webui/options/options_managed_banner_handler.cc'],
+           ],
+        }],
         ['chromeos==0', {
           'sources/': [
             ['exclude', '^browser/chromeos'],