minor #24618 content can be a resource (DQNEO)
minor #24618 content can be a resource (DQNEO)

This PR was merged into the 2.7 branch.

Discussion
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content can be a resource

| Q             | A
| ------------- | ---
| Branch?       | 2.7
| Bug fix?      | yes (bug in a comment)
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets |
| License       | MIT
| Doc PR        |

Commits
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c63742daef content can be a resource

symfony/HttpFoundation,symfony/http-foundation