[NTP Snippets] Refactor background scheduling for remote suggestions

chrome/browser/android/ntp/ntp_snippets_bridge.h

 // 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.
 
 #ifndef CHROME_BROWSER_ANDROID_NTP_NTP_SNIPPETS_BRIDGE_H_
 #define CHROME_BROWSER_ANDROID_NTP_NTP_SNIPPETS_BRIDGE_H_
 
 #include <jni.h>
 
 #include "base/android/scoped_java_ref.h"
@@ skipping 51 matching lines @@
       jint j_category_id,
       const base::android::JavaParamRef<jstring>& id_within_category,
       const base::android::JavaParamRef<jobject>& j_callback);
 
   void Fetch(
       JNIEnv* env,
       const base::android::JavaParamRef<jobject>& obj,
       jint j_category_id,
       const base::android::JavaParamRef<jobjectArray>& j_displayed_suggestions);
 
+  void ReloadSuggestions(
+      JNIEnv* env,
+      const base::android::JavaParamRef<jobject>& obj);
+
   void DismissSuggestion(
       JNIEnv* env,
       const base::android::JavaParamRef<jobject>& obj,
       const base::android::JavaParamRef<jstring>& jurl,
       jint global_position,
       jint j_category_id,
       jint category_position,
       const base::android::JavaParamRef<jstring>& id_within_category);
 
   void DismissCategory(JNIEnv* env,
@@ skipping 77 matching lines @@
 
   // Used to notify the Java side when new snippets have been fetched.
   base::android::ScopedJavaGlobalRef<jobject> observer_;
 
   base::WeakPtrFactory<NTPSnippetsBridge> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(NTPSnippetsBridge);
 };
 
 #endif  // CHROME_BROWSER_ANDROID_NTP_NTP_SNIPPETS_BRIDGE_H_