Fix a style issue: Add braces around a multi-line if statement.

content/child/webcrypto/openssl/pbkdf2_openssl.cc

Index: content/child/webcrypto/openssl/pbkdf2_openssl.cc
diff --git a/content/child/webcrypto/openssl/pbkdf2_openssl.cc b/content/child/webcrypto/openssl/pbkdf2_openssl.cc
index e25d96cb4d2a54be7e16802f10dbb93d46244537..48862a0e0e5cb33c334b2c13261469a68bc2fb7e 100644
--- a/content/child/webcrypto/openssl/pbkdf2_openssl.cc
+++ b/content/child/webcrypto/openssl/pbkdf2_openssl.cc
@@ -99,8 +99,9 @@ class Pbkdf2Implementation : public AlgorithmImplementation {
     if (!PKCS5_PBKDF2_HMAC(password_ptr, password_size.ValueOrDie(),
                            params->salt().data(), params->salt().size(),
                            params->iterations(), digest_algorithm, keylen_bytes,
-                           &derived_bytes->front()))
+                           &derived_bytes->front())) {
       return Status::OperationError();
+    }
     return Status::Success();
   }