Add checks for Feature Policy to the mojo Permission Service

content/browser/permissions/permission_service_impl.h

 // Copyright 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 CONTENT_BROWSER_PERMISSIONS_PERMISSION_SERVICE_IMPL_H_
 #define CONTENT_BROWSER_PERMISSIONS_PERMISSION_SERVICE_IMPL_H_
 
 #include "base/callback.h"
 #include "base/id_map.h"
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "content/browser/permissions/permission_service_context.h"
+#include "content/common/content_export.h"
 #include "third_party/WebKit/public/platform/modules/permissions/permission.mojom.h"
 #include "url/origin.h"
 
 namespace content {
 
 enum class PermissionType;
 
 // Implements the PermissionService Mojo interface.
 // This service can be created from a RenderFrameHost or a RenderProcessHost.
 // It is owned by a PermissionServiceContext.
 // It receives at PermissionServiceContext instance when created which allows it
 // to have some information about the current context. That enables the service
 // to know whether it can show UI and have knowledge of the associated
 // WebContents for example.
-class PermissionServiceImpl : public blink::mojom::PermissionService {
+class CONTENT_EXPORT PermissionServiceImpl
+    : public blink::mojom::PermissionService {
  public:
   PermissionServiceImpl(PermissionServiceContext* context);
   ~PermissionServiceImpl() override;
 
  private:
+  friend class PermissionServiceImplTest;
+
   using PermissionStatusCallback =
       base::Callback<void(blink::mojom::PermissionStatus)>;
 
-  struct PendingRequest {
-    PendingRequest(const RequestPermissionsCallback& callback,
-                   int request_count);
-    ~PendingRequest();
-
-    // Request ID received from the PermissionManager.
-    int id;
-    RequestPermissionsCallback callback;
-    int request_count;
-  };
+  class PendingRequest;
   using RequestsMap = IDMap<std::unique_ptr<PendingRequest>>;
 
   // blink::mojom::PermissionService.
   void HasPermission(blink::mojom::PermissionDescriptorPtr permission,
                      const url::Origin& origin,
                      const PermissionStatusCallback& callback) override;
   void RequestPermission(blink::mojom::PermissionDescriptorPtr permission,
                          const url::Origin& origin,
                          bool user_gesture,
                          const PermissionStatusCallback& callback) override;
@@ skipping 27 matching lines @@
   // context_ owns |this|.
   PermissionServiceContext* context_;
   base::WeakPtrFactory<PermissionServiceImpl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(PermissionServiceImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_PERMISSIONS_PERMISSION_SERVICE_IMPL_H_