Fix "unreachable code" warnings (MSVC warning 4702) in content/.

content/child/webcrypto/jwk.cc

Index: content/child/webcrypto/jwk.cc
===================================================================
--- content/child/webcrypto/jwk.cc	(revision 256983)
+++ content/child/webcrypto/jwk.cc	(working copy)
@@ -512,8 +512,9 @@
                      extractable,
                      usage_mask,
                      key);
-  } else if (jwk_kty_value == "RSA") {
+  }
 
+  if (jwk_kty_value == "RSA") {
     // An RSA public key must have an "n" (modulus) and an "e" (exponent) entry
     // in the JWK, while an RSA private key must have those, plus at least a "d"
     // (private exponent) entry.
@@ -542,11 +543,9 @@
                                         CryptoData(jwk_e_value),
                                         key);
 
-  } else {
-    return Status::ErrorJwkUnrecognizedKty();
   }
 
-  return Status::Success();
+  return Status::ErrorJwkUnrecognizedKty();
 }
 
 }  // namespace webcrypto