Fix message text for modal prompts when PermissionRequestManager enabled

chrome/browser/permissions/permission_prompt_android.cc

Index: chrome/browser/permissions/permission_prompt_android.cc
diff --git a/chrome/browser/permissions/permission_prompt_android.cc b/chrome/browser/permissions/permission_prompt_android.cc
index ffef04a0bdd77dc29391d4613ad83971ad93f5f0..dc121327573057c0e61a69ee867ec5a0f5cf37d0 100644
--- a/chrome/browser/permissions/permission_prompt_android.cc
+++ b/chrome/browser/permissions/permission_prompt_android.cc
@@ -103,6 +103,12 @@ int PermissionPromptAndroid::GetIconIdForPermission(size_t position) const {
   return requests[position]->GetIconId();
 }
 
+base::string16 PermissionPromptAndroid::GetMessageText(size_t position) const {
+  const std::vector<PermissionRequest*>& requests = delegate_->Requests();
+  DCHECK_LT(position, requests.size());
+  return requests[position]->GetMessageText();
+}
+
 base::string16 PermissionPromptAndroid::GetMessageTextFragment(
     size_t position) const {
   const std::vector<PermissionRequest*>& requests = delegate_->Requests();