Do not show "DOWNLOAD PAGE LATER" button if RELOAD button is shown

components/error_page/common/localized_error.cc

Index: components/error_page/common/localized_error.cc
diff --git a/components/error_page/common/localized_error.cc b/components/error_page/common/localized_error.cc
index e81da543c56cd9d521ccd1351040bc123992575d..3b1f50bebe15a5262e376d7ba8fc718953cc3b0f 100644
--- a/components/error_page/common/localized_error.cc
+++ b/components/error_page/common/localized_error.cc
@@ -970,7 +970,9 @@ void LocalizedError::GetStrings(
 
   // Add the reload suggestion, if needed for pages that didn't come
   // from a post.
+  bool reload_visible = false;
   if (params->suggest_reload && !is_post) {
+    reload_visible = true;
     base::DictionaryValue* reload_button = new base::DictionaryValue;
     reload_button->SetString(
         "msg", l10n_util::GetStringUTF16(IDS_ERRORPAGES_BUTTON_RELOAD));
@@ -1023,8 +1025,8 @@ void LocalizedError::GetStrings(
   }
 
 #if defined(OS_ANDROID)
-  if (!show_saved_copy_visible && !is_incognito &&
-      failed_url.SchemeIsHTTPOrHTTPS() &&
+  if (!reload_visible && !show_saved_copy_visible && !is_incognito &&
+      failed_url.is_valid() && failed_url.SchemeIsHTTPOrHTTPS() &&

[fgorski, 2016/12/09 18:09:32]

is it possible to use OfflinePageModel::CanSaveURL here?

       offline_pages::IsOfflinePagesAsyncDownloadEnabled()) {
     std::unique_ptr<base::DictionaryValue> download_button =
         base::MakeUnique<base::DictionaryValue>();