Support action button to fetch more content 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 33 matching lines @@
   base::android::ScopedJavaLocalRef<jobject> GetCategoryInfo(
       JNIEnv* env,
       const base::android::JavaParamRef<jobject>& obj,
       jint category);
 
   base::android::ScopedJavaLocalRef<jobject> GetSuggestionsForCategory(
       JNIEnv* env,
       const base::android::JavaParamRef<jobject>& obj,
       jint category);
 
+  // Triggers a fetch for new suggestions (over the network, for example) for
+  // the given |category|. This must be initiated by the user (e.g. by clicking
+  // the a "More" button).

[Marc Treib, 2016/08/10 09:40:30]

nit: remove "a"

[Philipp Keck, 2016/08/10 13:14:46]

Done.

+  void FetchMoreSuggestions(JNIEnv* env,
+                            const base::android::JavaParamRef<jobject>& obj,
+                            jint category);
+
   void FetchSuggestionImage(
       JNIEnv* env,
       const base::android::JavaParamRef<jobject>& obj,
       const base::android::JavaParamRef<jstring>& suggestion_id,
       const base::android::JavaParamRef<jobject>& j_callback);
 
   void DismissSuggestion(
       JNIEnv* env,
       const base::android::JavaParamRef<jobject>& obj,
       const base::android::JavaParamRef<jstring>& suggestion_id);
@@ skipping 31 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_