[NTP::SectionOrder] Add ranker section to 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 <utility>
 #include <vector>
@@ skipping 12 matching lines @@
 #include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/values.h"
 #include "chrome/browser/android/chrome_feature_list.h"
 #include "chrome/browser/ntp_snippets/content_suggestions_service_factory.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/common/chrome_features.h"
 #include "components/ntp_snippets/category.h"
 #include "components/ntp_snippets/category_info.h"
+#include "components/ntp_snippets/category_rankers/category_ranker.h"
 #include "components/ntp_snippets/features.h"
 #include "components/ntp_snippets/pref_names.h"
 #include "components/ntp_snippets/remote/remote_suggestions_fetcher.h"
 #include "components/ntp_snippets/remote/remote_suggestions_provider.h"
 #include "components/ntp_snippets/switches.h"
 #include "components/offline_pages/core/offline_page_feature.h"
 #include "components/prefs/pref_service.h"
 #include "components/variations/variations_associated_data.h"
 #include "content/public/browser/web_ui.h"
 
@@ skipping 325 matching lines @@
       base::FeatureList::IsEnabled(ntp_snippets::kBookmarkSuggestionsFeature));
 
   SendBoolean("flag-physical-web-page-suggestions",
               base::FeatureList::IsEnabled(
                   ntp_snippets::kPhysicalWebPageSuggestionsFeature));
 
   SendBoolean("flag-physical-web", base::FeatureList::IsEnabled(
                                        chrome::android::kPhysicalWebFeature));
 
   SendClassification();
+  SendRankerDebugData();
   SendLastRemoteSuggestionsBackgroundFetchTime();
 
   if (remote_suggestions_provider_) {
     const ntp_snippets::RemoteSuggestionsFetcher* fetcher =
         remote_suggestions_provider_->suggestions_fetcher_for_debugging();
     SendString("switch-fetch-url", fetcher->fetch_url().spec());
     web_ui()->CallJavascriptFunctionUnsafe(
         "chrome.SnippetsInternals.receiveJson",
         base::Value(fetcher->last_json()));
   }
@@ skipping 17 matching lines @@
           content_suggestions_service_->user_classifier()->GetEstimatedAvgTime(
               UserClassifier::Metric::NTP_OPENED)),
       base::Value(
           content_suggestions_service_->user_classifier()->GetEstimatedAvgTime(
               UserClassifier::Metric::SUGGESTIONS_SHOWN)),
       base::Value(
           content_suggestions_service_->user_classifier()->GetEstimatedAvgTime(
               UserClassifier::Metric::SUGGESTIONS_USED)));
 }
 
+void SnippetsInternalsMessageHandler::SendRankerDebugData() {
+  std::vector<ntp_snippets::CategoryRanker::DebugDataItem> data =
+      content_suggestions_service_->category_ranker()->GetDebugData();
+
+  std::unique_ptr<base::ListValue> items_list(new base::ListValue);
+  for (const auto& item : data) {
+    auto entry = base::MakeUnique<base::DictionaryValue>();
+    entry->SetString("label", item.label);
+    entry->SetString("content", item.content);
+    items_list->Append(std::move(entry));
+  }
+
+  base::DictionaryValue result;
+  result.Set("list", std::move(items_list));
+  web_ui()->CallJavascriptFunctionUnsafe(
+      "chrome.SnippetsInternals.receiveRankerDebugData", result);
+}
+
 void SnippetsInternalsMessageHandler::
     SendLastRemoteSuggestionsBackgroundFetchTime() {
   base::Time time = base::Time::FromInternalValue(pref_service_->GetInt64(
       ntp_snippets::prefs::kLastSuccessfulBackgroundFetchTime));
   web_ui()->CallJavascriptFunctionUnsafe(
       "chrome.SnippetsInternals."
       "receiveLastRemoteSuggestionsBackgroundFetchTime",
       base::Value(base::TimeFormatShortDateAndTime(time)));
 }
 
@@ skipping 66 matching lines @@
 void SnippetsInternalsMessageHandler::OnDismissedSuggestionsLoaded(
     Category category,
     std::vector<ContentSuggestion> dismissed_suggestions) {
   if (dismissed_state_[category] == DismissedState::HIDDEN) {
     return;
   }
   dismissed_suggestions_[category] = std::move(dismissed_suggestions);
   dismissed_state_[category] = DismissedState::VISIBLE;
   SendContentSuggestions();
 }