Remove deleted offline page suggestions from opened NTPs

chrome/browser/android/ntp/ntp_snippets_bridge.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/android/ntp/ntp_snippets_bridge.h"
 
 #include <jni.h>
 
 #include "base/android/callback_android.h"
 #include "base/android/jni_android.h"
@@ skipping 210 matching lines @@
                                                 CategoryStatus new_status) {
   if (observer_.is_null())
     return;
 
   JNIEnv* env = base::android::AttachCurrentThread();
   Java_SnippetsBridge_onCategoryStatusChanged(env, observer_,
                                               static_cast<int>(category.id()),
                                               static_cast<int>(new_status));
 }
 
+void NTPSnippetsBridge::OnSuggestionInvalidated(
+    Category category,
+    const std::string& suggestion_id) {
+  if (observer_.is_null())
+    return;
+
+  JNIEnv* env = base::android::AttachCurrentThread();
+  Java_SnippetsBridge_onSuggestionInvalidated(
+      env, observer_.obj(), static_cast<int>(category.id()),
+      ConvertUTF8ToJavaString(env, suggestion_id).obj());
+}
+
 void NTPSnippetsBridge::ContentSuggestionsServiceShutdown() {
   observer_.Reset();
   content_suggestions_service_observer_.Remove(content_suggestions_service_);
 }
 
 void NTPSnippetsBridge::OnImageFetched(ScopedJavaGlobalRef<jobject> callback,
                                        const std::string& snippet_id,
                                        const gfx::Image& image) {
   ScopedJavaLocalRef<jobject> j_bitmap;
   if (!image.IsEmpty())
     j_bitmap = gfx::ConvertToJavaBitmap(image.ToSkBitmap());
 
   base::android::RunCallbackAndroid(callback, j_bitmap);
 }
 
 // static
 bool NTPSnippetsBridge::Register(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }