SuggestionsService undo blacklist functionality.

chrome/browser/android/most_visited_sites.cc

 // Copyright 2013 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/android/most_visited_sites.h"
 
 #include <string>
 #include <vector>
 
 #include "base/android/jni_android.h"
@@ skipping 286 matching lines @@
 
     case SUGGESTIONS_SERVICE: {
       SuggestionsService* suggestions_service =
           SuggestionsServiceFactory::GetForProfile(profile_);
       DCHECK(suggestions_service);
       suggestions_service->BlacklistURL(
           GURL(url),
           base::Bind(
               &MostVisitedSites::OnSuggestionsProfileAvailable,
               weak_ptr_factory_.GetWeakPtr(),
-              base::Owned(new ScopedJavaGlobalRef<jobject>(observer_))));
+              base::Owned(new ScopedJavaGlobalRef<jobject>(observer_))),
+          base::Closure());
       break;
     }
   }
 }
 
 void MostVisitedSites::RecordOpenedMostVisitedItem(JNIEnv* env,
                                                    jobject obj,
                                                    jint index) {
   switch (mv_source_) {
     case TOP_SITES: {
@@ skipping 208 matching lines @@
   num_empty_thumbs_ = 0;
   UMA_HISTOGRAM_SPARSE_SLOWLY(kNumServerTilesHistogramName, num_server_thumbs_);
   num_server_thumbs_ = 0;
 }
 
 static jlong Init(JNIEnv* env, jobject obj, jobject jprofile) {
   MostVisitedSites* most_visited_sites =
       new MostVisitedSites(ProfileAndroid::FromProfileAndroid(jprofile));
   return reinterpret_cast<intptr_t>(most_visited_sites);
 }