Implement first version of OfflinePageSuggestionsProvider

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 <vector>
 
@@ skipping 60 matching lines @@
                    TimeFormatShortDateAndTime(suggestion.publish_date()));
   entry->SetString("publisherName", suggestion.publisher_name());
   entry->SetString("id", "content-suggestion-" + base::IntToString(index));
   return entry;
 }
 
 std::string MapCategoryName(ContentSuggestionsCategory category) {
   switch (category) {
     case ContentSuggestionsCategory::ARTICLES:
       return "Articles";
+    case ContentSuggestionsCategory::OFFLINE_PAGES:
+      return "Offline pages (continue browsing)";
     case ContentSuggestionsCategory::COUNT:
       NOTREACHED() << "Category::COUNT must not be used as a value";
   }
   return std::string();
 }
 
 std::string MapCategoryStatus(ContentSuggestionsCategoryStatus status) {
   switch (status) {
     case ContentSuggestionsCategoryStatus::INITIALIZING:
       return "INITIALIZING";
@@ skipping 158 matching lines @@
 
   content_suggestions_service_->ClearDiscardedSuggestionsForDebugging();
 }
 
 void SnippetsInternalsMessageHandler::SendInitialData() {
   SendHosts();
 
   SendBoolean("flag-snippets", base::FeatureList::IsEnabled(
                                    chrome::android::kNTPSnippetsFeature));
 
+  SendBoolean("flag-offline-page-suggestions",
+              base::FeatureList::IsEnabled(
+                  chrome::android::kNTPOfflinePageSuggestionsFeature));
+
   web_ui()->CallJavascriptFunctionUnsafe(
       "chrome.SnippetsInternals.setHostRestricted",
       base::FundamentalValue(
           ntp_snippets_service_->snippets_fetcher()->UsesHostRestrictions()));
 
   switch (ntp_snippets_service_->snippets_fetcher()->personalization()) {
     case ntp_snippets::NTPSnippetsFetcher::Personalization::kPersonal:
       SendString("switch-personalized", "Only personalized");
       break;
     case ntp_snippets::NTPSnippetsFetcher::Personalization::kBoth:
@@ skipping 99 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()->CallJavascriptFunctionUnsafe(
       "chrome.SnippetsInternals.receiveProperty", string_name, string_value);
 }