Include a role description string in node info for Android accessibility.

content/shell/common/shell_content_client.cc

Index: content/shell/common/shell_content_client.cc
diff --git a/content/shell/common/shell_content_client.cc b/content/shell/common/shell_content_client.cc
index d0940b8b92b2fc6836880d883aab8ea97f5ea956..bd0aaedbfaf7199fc1f71a3b980c72556837dfc5 100644
--- a/content/shell/common/shell_content_client.cc
+++ b/content/shell/common/shell_content_client.cc
@@ -60,6 +60,12 @@ base::string16 ShellContentClient::GetLocalizedString(int message_id) const {
   return l10n_util::GetStringUTF16(message_id);
 }
 
+base::string16 ShellContentClient::GetLocalizedStringF(
+    int message_id,
+    const base::string16& string0) const {
+  return l10n_util::GetStringFUTF16(message_id, string0);
+}
+
 base::StringPiece ShellContentClient::GetDataResource(
     int resource_id,
     ui::ScaleFactor scale_factor) const {