📰 The Status card reports disabled sync states

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 28 matching lines @@
   void DiscardSnippet(JNIEnv* env,
                       const base::android::JavaParamRef<jobject>& obj,
                       const base::android::JavaParamRef<jstring>& snippet_id);
 
   // Checks if the URL has been visited.
   void SnippetVisited(JNIEnv* env,
                       const base::android::JavaParamRef<jobject>& obj,
                       const base::android::JavaParamRef<jobject>& callback,
                       const base::android::JavaParamRef<jstring>& jurl);
 
+  // Returns a reason why the snippet service is disabled, or 0 if it isn't.
+  // Possible return values:
+  // 0 - NONE
+  // 1 - EXPLICITLY_DISABLED,
+  // 2 - HISTORY_SYNC_DISABLED,
+  // 3 - HISTORY_SYNC_STATE_UNKNOWN

[Bernhard Bauer, 2016/06/14 12:10:40]

I think it's fine to just refer to the definition of DisabledReason for the
values.

[dgn, 2016/06/15 16:46:29]

Done.

+  // See NTPSnippetsService::DisabledReason for more info.
+  int GetDisabledReason(JNIEnv* env,
+                        const base::android::JavaParamRef<jobject>& obj);
+
   static bool Register(JNIEnv* env);
 
  private:
   ~NTPSnippetsBridge() override;
 
   // NTPSnippetsServiceObserver overrides
   void NTPSnippetsServiceLoaded() override;
   void NTPSnippetsServiceShutdown() override;
   void NTPSnippetsServiceDisabled() override;
 
@@ skipping 10 matching lines @@
   ScopedObserver<ntp_snippets::NTPSnippetsService,
                  ntp_snippets::NTPSnippetsServiceObserver>
       snippet_service_observer_;
 
   base::WeakPtrFactory<NTPSnippetsBridge> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(NTPSnippetsBridge);
 };
 
 #endif  // CHROME_BROWSER_ANDROID_NTP_NTP_SNIPPETS_BRIDGE_H_