Enable Enterprise enrollment on desktop builds.

components/policy.gypi

 # 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.
 
 {
   'includes': [
     # Included to get 'mac_bundle_id' and other variables.
     '../build/chrome_settings.gypi',
   ],
   'variables': {
@@ skipping 110 matching lines @@
           ],
           'direct_dependent_settings': {
             'include_dirs': [
               '<(policy_out_dir)',
               '<(protoc_out_dir)',
             ],
           },
         },
         {
           'target_name': 'cloud_policy_proto_generated_compile',
-          'type': 'static_library',
+          'type': '<(component)',
           'sources': [
             '<(cloud_policy_proto_path)',
           ],
           'variables': {
             'proto_in_dir': '<(policy_out_dir)/policy',
             'proto_out_dir': 'policy/proto',
+            'cc_generator_options': 'dllexport_decl=POLICY_PROTO_EXPORT:',
+            'cc_include': 'components/policy/policy_proto_export.h',
           },
           'dependencies': [
             'cloud_policy_code_generate',
           ],
           'includes': [
             '../build/protoc.gypi',
           ],
+          'defines': [
+            'POLICY_PROTO_COMPILATION',
+          ],
           # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
           'msvs_disabled_warnings': [4267, ],
         },
         {
           # This target builds the "full" protobuf, used for tests only.
           'target_name': 'chrome_settings_proto_generated_compile',
           'type': 'static_library',
           'sources': [
             '<(chrome_settings_proto_path)',
           ],
@@ skipping 32 matching lines @@
             'cloud_policy_proto_generated_compile',
             '<(DEPTH)/base/base.gyp:base',
             '<(DEPTH)/third_party/protobuf/protobuf.gyp:protobuf_lite',
           ],
           'defines': [
             'POLICY_COMPONENT_IMPLEMENTATION',
           ],
         },
         {
           'target_name': 'cloud_policy_proto',
-          'type': 'static_library',
+          'type': '<(component)',
           'sources': [
             'policy/proto/chrome_extension_policy.proto',
             'policy/proto/device_management_backend.proto',
             'policy/proto/device_management_local.proto',
             'policy/proto/policy_signing_key.proto',
           ],
           'variables': {
             'proto_in_dir': 'policy/proto',
             'proto_out_dir': 'policy/proto',
+            'cc_generator_options': 'dllexport_decl=POLICY_PROTO_EXPORT:',
+            'cc_include': 'components/policy/policy_proto_export.h',
           },
           'includes': [
             '../build/protoc.gypi',
           ],
           'conditions': [
             ['OS=="android" or OS=="ios"', {
               'sources!': [
                 'policy/proto/chrome_extension_policy.proto',
               ],
             }],
             ['chromeos==0', {
               'sources!': [
                 'policy/proto/device_management_local.proto',
               ],
             }],
           ],
+          'defines': [
+            'POLICY_PROTO_COMPILATION',
+          ],
         },
         {
           'target_name': 'policy_test_support',
           'type': 'none',
           'hard_dependency': 1,
           'direct_dependent_settings': {
             'include_dirs': [
               '<(policy_out_dir)',
               '<(protoc_out_dir)',
             ],
@@ skipping 188 matching lines @@
               'message':
                   'Copy the Localizable.strings files to the manifest bundle',
               'process_outputs_as_mac_bundle_resources': 1,
             },
           ],
         },
       ],
     }],
   ],
 }