media: Use new wrapper types for media mojo interfaces

chrome/browser/chromeos/attestation/platform_verification_impl.h

Index: chrome/browser/chromeos/attestation/platform_verification_impl.h
diff --git a/chrome/browser/chromeos/attestation/platform_verification_impl.h b/chrome/browser/chromeos/attestation/platform_verification_impl.h
index 0cbee0e7e4fd60cd80dfb251c5efd29f8fcc9ef5..2f5cb1de4d517f08dc1b7b987fa99bffc0316428 100644
--- a/chrome/browser/chromeos/attestation/platform_verification_impl.h
+++ b/chrome/browser/chromeos/attestation/platform_verification_impl.h
@@ -30,8 +30,8 @@ class PlatformVerificationImpl : public media::mojom::PlatformVerification {
   ~PlatformVerificationImpl() override;
 
   // mojo::InterfaceImpl<PlatformVerification> implementation.
-  void ChallengePlatform(const mojo::String& service_id,
-                         const mojo::String& challenge,
+  void ChallengePlatform(const std::string& service_id,
+                         const std::string& challenge,
                          const ChallengePlatformCallback& callback) override;
 
  private: