[NTP::Downloads] Show thumbnails for Download suggestions.

chrome/browser/ntp_snippets/download_suggestions_provider.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/ntp_snippets/download_suggestions_provider.h"
 
 #include <algorithm>
 #include <utility>
 
 #include "base/bind.h"
@@ skipping 198 matching lines @@
 CategoryStatus DownloadSuggestionsProvider::GetCategoryStatus(
     Category category) {
   DCHECK_EQ(provided_category_, category);
   return category_status_;
 }
 
 CategoryInfo DownloadSuggestionsProvider::GetCategoryInfo(Category category) {
   DCHECK_EQ(provided_category_, category);
   return CategoryInfo(
       l10n_util::GetStringUTF16(IDS_NTP_DOWNLOAD_SUGGESTIONS_SECTION_HEADER),
-      ntp_snippets::ContentSuggestionsCardLayout::MINIMAL_CARD,
+      ntp_snippets::ContentSuggestionsCardLayout::FULL_CARD,
       /*has_fetch_action=*/false,
       /*has_view_all_action=*/true,
       /*show_if_empty=*/false,
       l10n_util::GetStringUTF16(IDS_NTP_DOWNLOADS_SUGGESTIONS_SECTION_EMPTY));
 }
 
 void DownloadSuggestionsProvider::DismissSuggestion(
     const ContentSuggestion::ID& suggestion_id) {
   DCHECK_EQ(provided_category_, suggestion_id.category());
   std::set<std::string> dismissed_ids =
@@ skipping 621 matching lines @@
 void DownloadSuggestionsProvider::UnregisterDownloadItemObservers() {
   DCHECK_NE(download_manager_, nullptr);
 
   std::vector<DownloadItem*> all_downloads;
   download_manager_->GetAllDownloads(&all_downloads);
 
   for (DownloadItem* item : all_downloads) {
     item->RemoveObserver(this);
   }
 }