Move ContentSettingsUsagesState to the component.

chrome/browser/content_settings/content_settings_usages_state.h

-// Copyright 2013 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_CONTENT_SETTINGS_USAGES_STATE_H_
-#define CHROME_BROWSER_CONTENT_SETTINGS_CONTENT_SETTINGS_USAGES_STATE_H_
-
-#include <map>
-#include <set>
-
-#include "components/content_settings/core/common/content_settings.h"
-#include "components/content_settings/core/common/content_settings_types.h"
-#include "url/gurl.h"
-
-class HostContentSettingsMap;
-class PrefService;
-
-// This class manages a content setting state per tab for a given
-// |ContentSettingsType|, and provides information and presentation data about
-// the content setting usage.
-class ContentSettingsUsagesState {
- public:
-  // Information about navigation.
-  struct CommittedDetails {
-    CommittedDetails();
-    ~CommittedDetails();
-
-    bool current_url_valid;
-    GURL current_url;
-    GURL previous_url;
-  };
-
-  ContentSettingsUsagesState(
-      HostContentSettingsMap* host_content_settings_map,
-      ContentSettingsType type,
-      const std::string& accept_language_pref,
-      PrefService* prefs);
-  ~ContentSettingsUsagesState();
-
-  typedef std::map<GURL, ContentSetting> StateMap;
-  const StateMap& state_map() const {
-    return state_map_;
-  }
-
-  // Sets the state for |requesting_origin|.
-  void OnPermissionSet(const GURL& requesting_origin, bool allowed);
-
-  // Delegated by WebContents to indicate a navigation has happened and we
-  // may need to clear our settings.
-  void DidNavigate(const CommittedDetails& details);
-
-  void ClearStateMap();
-
-  enum TabState {
-    TABSTATE_NONE = 0,
-    // There's at least one entry with non-default setting.
-    TABSTATE_HAS_EXCEPTION = 1 << 1,
-    // There's at least one entry with a non-ASK setting.
-    TABSTATE_HAS_ANY_ICON = 1 << 2,
-    // There's at least one entry with ALLOWED setting.
-    TABSTATE_HAS_ANY_ALLOWED = 1 << 3,
-    // There's at least one entry that doesn't match the saved setting.
-    TABSTATE_HAS_CHANGED = 1 << 4,
-  };
-
-  // Maps ContentSetting to a set of hosts formatted for presentation.
-  typedef std::map<ContentSetting, std::set<std::string> >
-      FormattedHostsPerState;
-
-  void GetDetailedInfo(FormattedHostsPerState* formatted_hosts_per_state,
-                       unsigned int* tab_state_flags) const;
-
- private:
-  std::string GURLToFormattedHost(const GURL& url) const;
-
-  HostContentSettingsMap* const host_content_settings_map_;
-  PrefService* const pref_service_;
-  std::string accept_language_pref_;
-  ContentSettingsType type_;
-  StateMap state_map_;
-  GURL embedder_url_;
-
-  DISALLOW_COPY_AND_ASSIGN(ContentSettingsUsagesState);
-};
-
-#endif  // CHROME_BROWSER_CONTENT_SETTINGS_CONTENT_SETTINGS_USAGES_STATE_H_