Web restrictions component only.

components/web_restriction.gypi

 # Copyright 2015 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.
 
 {
   'conditions': [
     ['OS == "android"', {
       'targets': [
         {
           # GN: //components/web_restriction:web_restriction_java
           'target_name': 'web_restriction_java',
           'type': 'none',
           'variables': {
             'java_in_dir': 'web_restriction/java',
           },
           'dependencies': [
             '../base/base.gyp:base',
           ],
           'includes': [ '../build/java.gypi' ],
         },
+        {
+          # GN: //components/web_restriction:web_restriction_jni_headers
+          'target_name': 'web_restriction_jni_headers',
+          'type': 'none',
+          'sources': [
+            'web_restriction/java/src/org/chromium/components/webrestriction/ContentResolverWebRestrictionProvider.java',
+          ],
+          'variables': {
+            'jni_gen_package': 'components/web_restriction',
+          },
+          'includes': [ '../build/jni_generator.gypi' ],
+        },
+        {
+          #GN: //components/web_restriction:web_restriction

[Bernhard Bauer, 2016/01/26 11:09:02]

Nit: Space after the comment character (#) for readability.

[knn, 2016/01/26 14:37:43]

Done.

+          'target_name': 'web_restriction',
+          'type': 'static_library',
+          'dependencies': [
+            '<(DEPTH)/base/base.gyp:base',
+            '<(DEPTH)/content/content.gyp:content_browser',
+            'web_restriction_jni_headers',
+          ],
+          'sources': [
+            "web_restriction/content_resolver_web_restriction_provider.cc",
+            "web_restriction/content_resolver_web_restriction_provider.h",
+            "web_restriction/web_restriction_gin_wrapper.cc",
+            "web_restriction/web_restriction_gin_wrapper.h",
+            "web_restriction/web_restriction_provider.h",
+            "web_restriction/web_restriction_resource_throttle.cc",
+            "web_restriction/web_restriction_resource_throttle.h",
+          ],
+        },
       ],
   }]]
 }