Add checks for Feature Policy to the mojo Permission Service

content/browser/permissions/permission_service_impl.h

Index: content/browser/permissions/permission_service_impl.h
diff --git a/content/browser/permissions/permission_service_impl.h b/content/browser/permissions/permission_service_impl.h
index 9d8430d260715f1eb5c8181b9ce42a8d5ae5c9c7..bb7023a80efe3501f929cc350b2e9cb3148b5552 100644
--- a/content/browser/permissions/permission_service_impl.h
+++ b/content/browser/permissions/permission_service_impl.h
@@ -10,6 +10,7 @@
 #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"
 
@@ -24,25 +25,19 @@ enum class PermissionType;
 // 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.