Implement Web Restrictions in WebView.

android_webview/browser/aw_browser_context.cc

 // Copyright (c) 2012 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.
 
 #include "android_webview/browser/aw_browser_context.h"
 
 #include <utility>
 
 #include "android_webview/browser/aw_browser_policy_connector.h"
 #include "android_webview/browser/aw_form_database_service.h"
@@ skipping 34 matching lines @@
 namespace prefs {
 
 // String that specifies the Android account type to use for Negotiate
 // authentication.
 const char kAuthAndroidNegotiateAccountType[] =
     "auth.android_negotiate_account_type";
 
 // Whitelist containing servers for which Integrated Authentication is enabled.
 const char kAuthServerWhitelist[] = "auth.server_whitelist";
 
+const char kWebRestrictionsAuthority[] = "web_restrictions_authority";
+
 }  // namespace prefs
 
 namespace {
 
 // Shows notifications which correspond to PersistentPrefStore's reading errors.
 void HandleReadError(PersistentPrefStore::PrefReadError error) {
 }
 
 void DeleteDirRecursively(const base::FilePath& path) {
   if (!base::DeleteFile(path, true)) {
@@ skipping 128 matching lines @@
   // anonymously identify logs. Every WebView-using app on every device
   // is given a GUID, stored in this file in the app's data directory.
   const FilePath guid_file_path =
       GetPath().Append(FILE_PATH_LITERAL("metrics_guid"));
 
   AwMetricsServiceClient::GetInstance()->Initialize(
       user_pref_service_.get(),
       content::BrowserContext::GetDefaultStoragePartition(this)->
           GetURLRequestContext(),
       guid_file_path);
+  web_restriction_provider_.reset(
+      new web_restrictions::WebRestrictionsClient());
+  pref_change_registrar_.Add(
+      prefs::kWebRestrictionsAuthority,
+      base::Bind(&AwBrowserContext::OnWebRestrictionsAuthorityChanged,
+                 base::Unretained(this)));
+  web_restriction_provider_->SetAuthority(
+      user_pref_service_->GetString(prefs::kWebRestrictionsAuthority));
+}
+
+void AwBrowserContext::OnWebRestrictionsAuthorityChanged() {
+  web_restriction_provider_->SetAuthority(
+      user_pref_service_->GetString(prefs::kWebRestrictionsAuthority));
 }
 
 void AwBrowserContext::AddVisitedURLs(const std::vector<GURL>& urls) {
   DCHECK(visitedlink_master_);
   visitedlink_master_->AddURLs(urls);
 }
 
 AwQuotaManagerBridge* AwBrowserContext::GetQuotaManagerBridge() {
   if (!quota_manager_bridge_.get()) {
     quota_manager_bridge_ = native_factory_->CreateAwQuotaManagerBridge(this);
@@ skipping 23 matching lines @@
       new user_prefs::PrefRegistrySyncable();
   // We only use the autocomplete feature of Autofill, which is controlled via
   // the manager_delegate. We don't use the rest of Autofill, which is why it is
   // hardcoded as disabled here.
   pref_registry->RegisterBooleanPref(autofill::prefs::kAutofillEnabled, false);
   policy::URLBlacklistManager::RegisterProfilePrefs(pref_registry);
 
   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);
 
   PrefServiceFactory pref_service_factory;
   pref_service_factory.set_user_prefs(make_scoped_refptr(
       new InMemoryPrefStore()));
   pref_service_factory.set_managed_prefs(
       make_scoped_refptr(new policy::ConfigurationPolicyPrefStore(
           browser_policy_connector_->GetPolicyService(),
           browser_policy_connector_->GetHandlerList(),
           policy::POLICY_LEVEL_MANDATORY)));
   pref_service_factory.set_read_error_callback(base::Bind(&HandleReadError));
   user_pref_service_ = pref_service_factory.Create(pref_registry);
+  pref_change_registrar_.Init(user_pref_service_.get());
 
   user_prefs::UserPrefs::Set(this, user_pref_service_.get());
 }
 
 std::unique_ptr<content::ZoomLevelDelegate>
 AwBrowserContext::CreateZoomLevelDelegate(
     const base::FilePath& partition_path) {
   return nullptr;
 }
 
@@ skipping 87 matching lines @@
   return NULL;
 }
 
 policy::URLBlacklistManager* AwBrowserContext::GetURLBlacklistManager() {
   // Should not be called until the end of PreMainMessageLoopRun, where
   // blacklist_manager_ is initialized.
   DCHECK(blacklist_manager_);
   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
   // can change in the lifetime of this WebView and may not yet be set here.
   // Therefore this initialization path is not used.
   enumerator->OnComplete(true);
 }
 
 }  // namespace android_webview