Implement Web Restrictions in WebView.

android_webview/browser/aw_browser_context.h

 // 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.
 
 #ifndef ANDROID_WEBVIEW_BROWSER_AW_BROWSER_CONTEXT_H_
 #define ANDROID_WEBVIEW_BROWSER_AW_BROWSER_CONTEXT_H_
 
 #include <memory>
 #include <vector>
 
 #include "android_webview/browser/aw_download_manager_delegate.h"
 #include "android_webview/browser/aw_message_port_service.h"
 #include "android_webview/browser/aw_ssl_host_state_delegate.h"
 #include "base/compiler_specific.h"
 #include "base/files/file_path.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "components/visitedlink/browser/visitedlink_delegate.h"
+#include "components/web_restrictions/browser/web_restrictions_client.h"
 #include "content/public/browser/browser_context.h"
 #include "content/public/browser/content_browser_client.h"
 #include "net/url_request/url_request_job_factory.h"
 
 class GURL;
 class PrefService;
+class PrefChangeRegistrar;
 
 namespace content {
 class PermissionManager;
 class ResourceContext;
 class SSLHostStateDelegate;
 class WebContents;
 }
 
 namespace data_reduction_proxy {
 class DataReductionProxyConfigurator;
@@ skipping 16 matching lines @@
 class AwFormDatabaseService;
 class AwQuotaManagerBridge;
 class AwURLRequestContextGetter;
 class JniDependencyFactory;
 
 namespace prefs {
 
 // Used for Kerberos authentication.
 extern const char kAuthAndroidNegotiateAccountType[];
 extern const char kAuthServerWhitelist[];
+extern const char kWebRestrictionsAuthority[];
 
 }  // namespace prefs
 
 class AwBrowserContext : public content::BrowserContext,
                          public visitedlink::VisitedLinkDelegate {
  public:
 
   AwBrowserContext(const base::FilePath path,
                    JniDependencyFactory* native_factory);
   ~AwBrowserContext() override;
@@ skipping 18 matching lines @@
   AwQuotaManagerBridge* GetQuotaManagerBridge();
   AwFormDatabaseService* GetFormDatabaseService();
   data_reduction_proxy::DataReductionProxySettings*
       GetDataReductionProxySettings();
   data_reduction_proxy::DataReductionProxyIOData*
       GetDataReductionProxyIOData();
   AwURLRequestContextGetter* GetAwURLRequestContext();
   AwMessagePortService* GetMessagePortService();
 
   policy::URLBlacklistManager* GetURLBlacklistManager();
+  web_restrictions::WebRestrictionsClient* GetWebRestrictionProvider();
 
   // content::BrowserContext implementation.
   std::unique_ptr<content::ZoomLevelDelegate> CreateZoomLevelDelegate(
       const base::FilePath& partition_path) override;
   base::FilePath GetPath() const override;
   bool IsOffTheRecord() const override;
   content::ResourceContext* GetResourceContext() override;
   content::DownloadManagerDelegate* GetDownloadManagerDelegate() override;
   content::BrowserPluginGuestManager* GetGuestManager() override;
   storage::SpecialStoragePolicy* GetSpecialStoragePolicy() override;
@@ skipping 13 matching lines @@
   net::URLRequestContextGetter* CreateMediaRequestContextForStoragePartition(
       const base::FilePath& partition_path,
       bool in_memory) override;
 
   // visitedlink::VisitedLinkDelegate implementation.
   void RebuildTable(const scoped_refptr<URLEnumerator>& enumerator) override;
 
  private:
   void InitUserPrefService();
   void CreateDataReductionProxyStatisticsIfNecessary();
+  void OnWebRestrictionsAuthorityChanged();
+
   static bool data_reduction_proxy_enabled_;
 
   // Delay, in milliseconds, before removing the legacy cache dir.
   // This is non-const for testing purposes.
   static int legacy_cache_removal_delay_ms_;
 
   // The file path where data for this context is persisted.
   base::FilePath context_storage_path_;
 
   JniDependencyFactory* native_factory_;
@@ skipping 12 matching lines @@
   std::unique_ptr<policy::URLBlacklistManager> blacklist_manager_;
 
   std::unique_ptr<data_reduction_proxy::DataReductionProxySettings>
       data_reduction_proxy_settings_;
   std::unique_ptr<AwSSLHostStateDelegate> ssl_host_state_delegate_;
   std::unique_ptr<data_reduction_proxy::DataReductionProxyIOData>
       data_reduction_proxy_io_data_;
   std::unique_ptr<data_reduction_proxy::DataReductionProxyService>
       data_reduction_proxy_service_;
   std::unique_ptr<content::PermissionManager> permission_manager_;
+  std::unique_ptr<web_restrictions::WebRestrictionsClient>
+      web_restriction_provider_;
+  std::unique_ptr<PrefChangeRegistrar> pref_change_registrar_;

[Bernhard Bauer, 2016/05/19 10:00:15]

You could make the PrefChangeRegistrar a direct member.

[aberent, 2016/05/19 15:44:02]

Done.

 
   DISALLOW_COPY_AND_ASSIGN(AwBrowserContext);
 };
 
 }  // namespace android_webview
 
 #endif  // ANDROID_WEBVIEW_BROWSER_AW_BROWSER_CONTEXT_H_