[WIP] WebRestrictions

components/web_restriction/BUILD.gn

 # 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.
 
 import("//build/config/android/rules.gni")
 
-# GYP: components.gyp:web_restriction_java
-android_library("web_restriction_java") {
-  java_files = [ "java/src/org/chromium/components/webrestriction/WebRestrictionsContentProvider.java" ]
+if (is_android) {
+  # GYP: components.gyp:web_restriction_java
+  android_library("web_restriction_java") {
+    java_files = [ "java/src/org/chromium/components/webrestriction/WebRestrictionsContentProvider.java" ]
+  }
+
+  # GYP: //components/components_test.gyp:components_junit_tests
+  junit_binary("components_web_restrictions_junit_tests") {
+    java_files = [ "junit/src/org/chromium/components/webrestriction/WebRestrictionsContentProviderTest.java" ]
+    deps = [
+      ":web_restriction_java",
+      "//base:base_java",
+      "//third_party/junit:hamcrest",
+    ]
+  }
+
+  generate_jni("web_restriction_jni_headers") {
+    sources = [
+      "java/src/org/chromium/components/webrestriction/ContentResolverWebRestrictionProvider.java",
+    ]
+    jni_package = "web_restriction"
+  }
+
+  # GYP: components.gyp:web_restriction
+  static_library("web_restriction") {
+    sources = [
+      "content_resolver_web_restriction_provider.cc",
+      "content_resolver_web_restriction_provider.h",
+      "web_restriction_gin_wrapper.cc",
+      "web_restriction_gin_wrapper.h",
+      "web_restriction_provider.h",
+      "web_restriction_resource_throttle.cc",
+      "web_restriction_resource_throttle.h",
+    ]
+    deps = [
+      ":web_restriction_jni_headers",
+      "//base",
+      "//content/public/browser",
+    ]
+  }
 }
-
-# GYP: //components/components_test.gyp:components_junit_tests
-junit_binary("components_web_restrictions_junit_tests") {
-  java_files = [ "junit/src/org/chromium/components/webrestriction/WebRestrictionsContentProviderTest.java" ]
-  deps = [
-    ":web_restriction_java",
-    "//base:base_java",
-    "//third_party/junit:hamcrest",
-  ]
-}