Implement DelegationTracker for tracking delegated permissions to RenderFrameHosts

chrome/browser/permissions/permission_manager.h

 // Copyright 2015 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_PERMISSIONS_PERMISSION_MANAGER_H_
 #define CHROME_BROWSER_PERMISSIONS_PERMISSION_MANAGER_H_
 
 #include <unordered_map>
 
 #include "base/callback_forward.h"
 #include "base/id_map.h"
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "components/content_settings/core/browser/content_settings_observer.h"
 #include "components/content_settings/core/common/content_settings.h"
 #include "components/keyed_service/core/keyed_service.h"
 #include "content/public/browser/permission_manager.h"
+#include "content/public/browser/permission_type.h"
 
 class PermissionContextBase;
 class Profile;
 
 namespace content {
-enum class PermissionType;
 class WebContents;
 };  // namespace content
 
 class PermissionManager : public KeyedService,
                           public content::PermissionManager,
                           public content_settings::Observer {
  public:
   static PermissionManager* Get(Profile* profile);
 
   explicit PermissionManager(Profile* profile);
@@ skipping 37 matching lines @@
   // TODO(raymes): Refactor MediaPermission to not call GetPermissionContext.
   // See crbug.com/596786.
   friend class MediaPermission;
 
   class PendingRequest;
   using PendingRequestsMap = IDMap<PendingRequest, IDMapOwnPointer>;
 
   struct Subscription;
   using SubscriptionsMap = IDMap<Subscription, IDMapOwnPointer>;
 
-  struct PermissionTypeHash {
-    std::size_t operator()(const content::PermissionType& type) const;
-  };
-
   PermissionContextBase* GetPermissionContext(content::PermissionType type);
 
   // Called when a permission was decided for a given PendingRequest. The
   // PendingRequest is identified by its |request_id| and the permission is
   // identified by its |permission_id|. If the PendingRequest contains more than
   // one permission, it will wait for the remaining permissions to be resolved.
   // When all the permissions have been resolved, the PendingRequest's callback
   // is run.
   void OnPermissionsRequestResponseStatus(
       int request_id,
       int permission_id,
       blink::mojom::PermissionStatus status);
 
   // content_settings::Observer implementation.
   void OnContentSettingChanged(const ContentSettingsPattern& primary_pattern,
                                const ContentSettingsPattern& secondary_pattern,
                                ContentSettingsType content_type,
                                std::string resource_identifier) override;
 
   Profile* profile_;
   PendingRequestsMap pending_requests_;
   SubscriptionsMap subscriptions_;
 
   std::unordered_map<content::PermissionType,
                      std::unique_ptr<PermissionContextBase>,
-                     PermissionTypeHash>
+                     content::PermissionTypeHash>
       permission_contexts_;
 
   base::WeakPtrFactory<PermissionManager> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(PermissionManager);
 };
 
 #endif // CHROME_BROWSER_PERMISSIONS_PERMISSION_MANAGER_H_