Add missing logging codepaths for client certificate lookup.

BUG=666796

Review-Url: https://codereview.chromium.org/2565843002
Cr-Commit-Position: refs/heads/master@{#437675}

net/ssl/ssl_platform_key_mac.cc

@@ -221,8 +221,10 @@ scoped_refptr<SSLPrivateKey> FetchClientCertPrivateKey(
 
   const CSSM_KEY* cssm_key;
   OSStatus status = SecKeyGetCSSMKey(private_key.get(), &cssm_key);
-  if (status != noErr)
+  if (status != noErr) {
+    OSSTATUS_LOG(WARNING, status);
     return nullptr;
+  }
 
   SSLPrivateKey::Type key_type;
   size_t max_length;

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;
   }