Remove snippet_id from ImageFetchedCallback

components/ntp_snippets/bookmarks/bookmark_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 "components/ntp_snippets/bookmarks/bookmark_suggestions_provider.h"
 
 #include <utility>
 #include <vector>
 
 #include "base/bind.h"
@@ skipping 147 matching lines @@
     const std::string& suggestion_id) {
   DCHECK(bookmark_model_->loaded());
   GURL url(GetWithinCategoryIDFromUniqueID(suggestion_id));
   MarkBookmarksDismissed(bookmark_model_, url);
 }
 
 void BookmarkSuggestionsProvider::FetchSuggestionImage(
     const std::string& suggestion_id,
     const ImageFetchedCallback& callback) {
   base::ThreadTaskRunnerHandle::Get()->PostTask(
-      FROM_HERE, base::Bind(callback, suggestion_id, gfx::Image()));
+      FROM_HERE, base::Bind(callback, gfx::Image()));
 }
 
 void BookmarkSuggestionsProvider::ClearCachedSuggestions(Category category) {
   DCHECK_EQ(category, provided_category_);
   // Ignored.
 }
 
 void BookmarkSuggestionsProvider::GetDismissedSuggestionsForDebugging(
     Category category,
     const DismissedSuggestionsCallback& callback) {
@@ skipping 108 matching lines @@
 
 void BookmarkSuggestionsProvider::NotifyStatusChanged(
     CategoryStatus new_status) {
   if (category_status_ == new_status)
     return;
   category_status_ = new_status;
   observer()->OnCategoryStatusChanged(this, provided_category_, new_status);
 }
 
 }  // namespace ntp_snippets