Implement Web Restrictions in WebView.

android_webview/browser/aw_browser_context.cc

Index: android_webview/browser/aw_browser_context.cc
diff --git a/android_webview/browser/aw_browser_context.cc b/android_webview/browser/aw_browser_context.cc
index d5252bd244746c99d3ee9727fb838b0b5664a800..91c5e6c4ceb65407f5559b8f0f4874e984b8406a 100644
--- a/android_webview/browser/aw_browser_context.cc
+++ b/android_webview/browser/aw_browser_context.cc
@@ -59,6 +59,8 @@ const char kAuthAndroidNegotiateAccountType[] =
 // Whitelist containing servers for which Integrated Authentication is enabled.
 const char kAuthServerWhitelist[] = "auth.server_whitelist";
 
+const char kWebRestrictionsAuthority[] = "web_restrictions_authority";
+
 }  // namespace prefs
 
 namespace {
@@ -262,6 +264,19 @@ void AwBrowserContext::PreMainMessageLoopRun() {
   AwMetricsServiceClient::GetInstance()->Initialize(user_pref_service_.get(),
                                                     GetRequestContext(),
                                                     guid_file_path);
+  web_restriction_provider_.reset(
+      new web_restrictions::WebRestrictionsClient());
+  web_restrictions_authority_.Init(
+      prefs::kWebRestrictionsAuthority, user_pref_service_.get(),
+      base::Bind(&AwBrowserContext::OnWebRestrictionsAuthorityChanged,
+                 base::Unretained(this)));
+  web_restriction_provider_->SetAuthority(
+      web_restrictions_authority_.GetValue());
+}
+
+void AwBrowserContext::OnWebRestrictionsAuthorityChanged() {
+  web_restriction_provider_->SetAuthority(
+      web_restrictions_authority_.GetValue());
 }
 
 void AwBrowserContext::AddVisitedURLs(const std::vector<GURL>& urls) {
@@ -317,6 +332,8 @@ void AwBrowserContext::InitUserPrefService() {
   pref_registry->RegisterStringPref(prefs::kAuthServerWhitelist, std::string());
   pref_registry->RegisterStringPref(prefs::kAuthAndroidNegotiateAccountType,
                                     std::string());
+  pref_registry->RegisterStringPref(prefs::kWebRestrictionsAuthority,
+                                    std::string());
 
   metrics::MetricsService::RegisterPrefs(pref_registry);
 
@@ -446,6 +463,12 @@ policy::URLBlacklistManager* AwBrowserContext::GetURLBlacklistManager() {
   return blacklist_manager_.get();
 }
 
+web_restrictions::WebRestrictionsClient*
+AwBrowserContext::GetWebRestrictionProvider() {
+  DCHECK(web_restriction_provider_);
+  return web_restriction_provider_.get();
+}
+
 void AwBrowserContext::RebuildTable(
     const scoped_refptr<URLEnumerator>& enumerator) {
   // Android WebView rebuilds from WebChromeClient.getVisitedHistory. The client