Add missing logging codepaths for client certificate lookup.

net/ssl/ssl_platform_key_util.cc

Index: net/ssl/ssl_platform_key_util.cc
diff --git a/net/ssl/ssl_platform_key_util.cc b/net/ssl/ssl_platform_key_util.cc
index 3e6469831ec8c006dc46db8257ecfe3244240d0e..6c76220d431da74beed73f66da89cc01141766a8 100644
--- a/net/ssl/ssl_platform_key_util.cc
+++ b/net/ssl/ssl_platform_key_util.cc
@@ -71,7 +71,8 @@ bool GetClientCertInfo(const X509Certificate* certificate,
     return false;
   }
 
-  switch (EVP_PKEY_id(key.get())) {
+  int key_type = EVP_PKEY_id(key.get());
+  switch (key_type) {
     case EVP_PKEY_RSA:
       *out_type = SSLPrivateKey::Type::RSA;
       break;
@@ -90,12 +91,14 @@ bool GetClientCertInfo(const X509Certificate* certificate,
           *out_type = SSLPrivateKey::Type::ECDSA_P384;
           break;
         default:
+          LOG(ERROR) << "Unsupported curve type " << curve;
           return false;
       }
       break;
     }
 
     default:
+      LOG(ERROR) << "Unsupported key type " << key_type;
       return false;
   }