Introduce ChromeContentSettingsClient

chrome/browser/content_settings/chrome_content_settings_client.h

+// Copyright (c) 2014 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 CHROME_BROWSER_CONTENT_SETTINGS_CHROME_CONTENT_SETTINGS_CLIENT_H_
+#define CHROME_BROWSER_CONTENT_SETTINGS_CHROME_CONTENT_SETTINGS_CLIENT_H_
+
+#include "base/memory/scoped_ptr.h"
+#include "chrome/browser/browsing_data/cookies_tree_model.h"
+#include "chrome/browser/content_settings/local_shared_objects_container.h"
+#include "components/content_settings/core/browser/content_settings_client.h"
+#include "content/public/browser/web_contents_user_data.h"
+
+// Chrome-specific implementation of the ContentSettingsClient interface.
+class ChromeContentSettingsClient
+    : public content_settings::ContentSettingsClient,
+      public content::WebContentsUserData<ChromeContentSettingsClient> {
+ public:
+  virtual ~ChromeContentSettingsClient();
+
+  static void CreateForWebContents(content::WebContents* contents);
+
+  // ContentSettingsClient implementation.
+  virtual void OnCookiesRead(const GURL& url,
+                             const GURL& first_party_url,
+                             const net::CookieList& cookie_list,
+                             bool blocked_by_policy) override;
+  virtual void OnCookieChanged(const GURL& url,
+                               const GURL& first_party_url,
+                               const std::string& cookie_line,
+                               const net::CookieOptions& options,
+                               bool blocked_by_policy) override;
+  virtual void OnFileSystemAccessed(const GURL& url,
+                                    bool blocked_by_policy) override;
+  virtual void OnIndexedDBAccessed(const GURL& url,
+                                   const base::string16& description,
+                                   bool blocked_by_policy) override;
+  virtual void OnLocalStorageAccessed(const GURL& url,
+                                      bool local,
+                                      bool blocked_by_policy) override;
+  virtual void OnWebDatabaseAccessed(const GURL& url,
+                                     const base::string16& name,
+                                     const base::string16& display_name,
+                                     bool blocked_by_policy) override;
+  virtual const LocalSharedObjectsCounter& local_shared_objects(
+      AccessType type) const override;
+
+  // Creates a new copy of a CookiesTreeModel for all allowed (or blocked,
+  // depending on |type|) local shared objects.
+  scoped_ptr<CookiesTreeModel> CreateCookiesTreeModel(AccessType type) const;
+
+ private:
+  friend class content::WebContentsUserData<ChromeContentSettingsClient>;
+
+  explicit ChromeContentSettingsClient(content::WebContents* contents);
+
+  // Stores the blocked/allowed site data.
+  LocalSharedObjectsContainer allowed_local_shared_objects_;
+  LocalSharedObjectsContainer blocked_local_shared_objects_;
+
+  DISALLOW_COPY_AND_ASSIGN(ChromeContentSettingsClient);
+};
+
+#endif  // CHROME_BROWSER_CONTENT_SETTINGS_CHROME_CONTENT_SETTINGS_CLIENT_H_