Add client cert support to android_webview

android_webview/browser/aw_contents_client_bridge_base.h

Index: android_webview/browser/aw_contents_client_bridge_base.h
diff --git a/android_webview/browser/aw_contents_client_bridge_base.h b/android_webview/browser/aw_contents_client_bridge_base.h
index a1b3b7fe7b73440ecc48584a9e9a21e1c4f01bda..accf78b6a368704aa6657c48bb1a7a700c304be8 100644
--- a/android_webview/browser/aw_contents_client_bridge_base.h
+++ b/android_webview/browser/aw_contents_client_bridge_base.h
@@ -16,6 +16,7 @@ class WebContents;
 }
 
 namespace net {
+class SSLCertRequestInfo;
 class X509Certificate;
 }
 
@@ -43,6 +44,9 @@ class AwContentsClientBridgeBase {
                                      const GURL& request_url,
                                      const base::Callback<void(bool)>& callback,
                                      bool* cancel_request) = 0;
+  virtual void SelectClientCertificate(
+      net::SSLCertRequestInfo* cert_request_info,
+      const base::Callback<void(net::X509Certificate*)>& callback) = 0;
 
   virtual void RunJavaScriptDialog(
       content::JavaScriptMessageType message_type,