Rename web_restriction -> web_restrictions.

components/web_restrictions/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" ]
+# GYP: components.gyp:web_restrictions_java
+android_library("web_restrictions_java") {
+  java_files = [ "java/src/org/chromium/components/webrestrictions/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" ]
+  java_files = [ "junit/src/org/chromium/components/webrestrictions/WebRestrictionsContentProviderTest.java" ]
   deps = [
-    ":web_restriction_java",
+    ":web_restrictions_java",
     "//base:base_java",
     "//third_party/junit:hamcrest",
   ]
 }