Refactor client cert private key handling.

android_webview/browser/aw_content_browser_client.cc

Index: android_webview/browser/aw_content_browser_client.cc
diff --git a/android_webview/browser/aw_content_browser_client.cc b/android_webview/browser/aw_content_browser_client.cc
index 4a884cd55b922bda6374dc2194753f496b0b688b..00cbd47b5ea46893ca5c7ad1c94fc412defc57fc 100644
--- a/android_webview/browser/aw_content_browser_client.cc
+++ b/android_webview/browser/aw_content_browser_client.cc
@@ -390,7 +390,7 @@ void AwContentBrowserClient::AllowCertificateError(
 void AwContentBrowserClient::SelectClientCertificate(
     content::WebContents* web_contents,
     net::SSLCertRequestInfo* cert_request_info,
-    net::CertificateList client_certs,
+    net::ClientCertIdentityList client_certs,
     std::unique_ptr<content::ClientCertificateDelegate> delegate) {
   AwContentsClientBridge* client =
       AwContentsClientBridge::FromWebContents(web_contents);