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 73d840c0f594771fbbeb1723780c9bf5709361b3..b4d37ca536a63e2c1eaaeea594601352ceb9a30f 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 {
@@ -264,6 +266,19 @@ void AwBrowserContext::PreMainMessageLoopRun() {
       content::BrowserContext::GetDefaultStoragePartition(this)->
           GetURLRequestContext(),
       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) {
@@ -319,6 +334,8 @@ 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);
 
@@ -438,6 +455,12 @@ 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