ReadingListProvider returns empty image

components/ntp_snippets/reading_list/reading_list_suggestions_provider.cc

 // Copyright 2017 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 "components/ntp_snippets/reading_list/reading_list_suggestions_provider.h"
 
 #include <algorithm>
 #include <vector>
 
 #include "base/bind.h"
 #include "base/memory/ptr_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "components/ntp_snippets/category.h"
 #include "components/ntp_snippets/reading_list/reading_list_distillation_state_util.h"
 #include "components/reading_list/core/reading_list_entry.h"
 #include "components/reading_list/core/reading_list_model.h"
 #include "components/strings/grit/components_strings.h"
 #include "components/url_formatter/url_formatter.h"
 #include "ui/base/l10n/l10n_util.h"
+#include "ui/gfx/image/image.h"
 
 namespace ntp_snippets {
 
 namespace {
 // Max number of entries to return.
 const int kMaxEntries = 3;
 
 bool CompareEntries(const ReadingListEntry* lhs, const ReadingListEntry* rhs) {
   return lhs->UpdateTime() > rhs->UpdateTime();
 }
@@ skipping 37 matching lines @@
 }
 
 void ReadingListSuggestionsProvider::DismissSuggestion(
     const ContentSuggestion::ID& suggestion_id) {
   // TODO(crbug.com/702241): Implement this method.
 }
 
 void ReadingListSuggestionsProvider::FetchSuggestionImage(
     const ContentSuggestion::ID& suggestion_id,
     const ImageFetchedCallback& callback) {
-  // TODO(crbug.com/702241): Implement this method.
+  base::ThreadTaskRunnerHandle::Get()->PostTask(
+      FROM_HERE, base::Bind(callback, gfx::Image()));
 }
 
 void ReadingListSuggestionsProvider::Fetch(
     const Category& category,
     const std::set<std::string>& known_suggestion_ids,
     const FetchDoneCallback& callback) {
   LOG(DFATAL) << "ReadingListSuggestionsProvider has no |Fetch| functionality!";
   base::ThreadTaskRunnerHandle::Get()->PostTask(
       FROM_HERE,
       base::Bind(callback,
@@ skipping 111 matching lines @@
 void ReadingListSuggestionsProvider::NotifyStatusChanged(
     CategoryStatus new_status) {
   if (category_status_ == new_status) {
     return;
   }
   category_status_ = new_status;
   observer()->OnCategoryStatusChanged(this, provided_category_, new_status);
 }
 
 }  // namespace ntp_snippets