Display status message for "Add snippets" on chrome://snippets-internals

chrome/browser/ui/webui/snippets_internals_message_handler.cc

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/webui/snippets_internals_message_handler.h"
 
 #include <memory>
 #include <set>
 #include <sstream>
 #include <vector>
@@ skipping 104 matching lines @@
   DCHECK_EQ(0u, args->GetSize());
 
   ntp_snippets_service_->ClearDiscardedSnippets();
   SendDiscardedSnippets();
 }
 
 void SnippetsInternalsMessageHandler::HandleDownload(
     const base::ListValue* args) {
   DCHECK_EQ(1u, args->GetSize());
 
+  SendString("hosts-status", std::string());
+
   std::string hosts_string;
   args->GetString(0, &hosts_string);
 
   std::vector<std::string> hosts_vector = base::SplitString(
       hosts_string, " ", base::TRIM_WHITESPACE, base::SPLIT_WANT_NONEMPTY);
   std::set<std::string> hosts(hosts_vector.begin(), hosts_vector.end());
 
   ntp_snippets_service_->FetchSnippetsFromHosts(hosts);
 }
 
@@ skipping 18 matching lines @@
   std::unique_ptr<base::ListValue> snippets_list(new base::ListValue);
 
   int index = 0;
   for (auto& snippet : *ntp_snippets_service_)
     snippets_list->Append(PrepareSnippet(snippet, index++, false));
 
   base::DictionaryValue result;
   result.Set("list", std::move(snippets_list));
   web_ui()->CallJavascriptFunction("chrome.SnippetsInternals.receiveSnippets",
                                    result);
+
+  const std::string& status = ntp_snippets_service_->last_status();
+  if (!status.empty())
+    SendString("hosts-status", "Finished: " + status);
 }
 
 void SnippetsInternalsMessageHandler::SendDiscardedSnippets() {
   std::unique_ptr<base::ListValue> snippets_list(new base::ListValue);
 
   int index = 0;
   for (auto& snippet : ntp_snippets_service_->discarded_snippets())
     snippets_list->Append(PrepareSnippet(*snippet, index++, true));
 
   base::DictionaryValue result;
@@ skipping 26 matching lines @@
 }
 
 void SnippetsInternalsMessageHandler::SendString(const std::string& name,
                                                  const std::string& value) {
   base::StringValue string_name(name);
   base::StringValue string_value(value);
 
   web_ui()->CallJavascriptFunction("chrome.SnippetsInternals.receiveProperty",
                                    string_name, string_value);
 }