[Sync] Introduce GmsCoreSyncListener.

chrome/browser/sync/profile_sync_service_android.h

 // 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.
 
 #ifndef CHROME_BROWSER_SYNC_PROFILE_SYNC_SERVICE_ANDROID_H_
 #define CHROME_BROWSER_SYNC_PROFILE_SYNC_SERVICE_ANDROID_H_
 
 #include <jni.h>
 #include <map>
 
@@ skipping 46 matching lines @@
                              jobject obj,
                              jboolean sync_everything,
                              jintArray model_type_selection);
   jboolean IsCryptographerReady(JNIEnv* env, jobject);
   jboolean IsEncryptEverythingAllowed(JNIEnv* env, jobject obj);
   jboolean IsEncryptEverythingEnabled(JNIEnv* env, jobject obj);
   void EnableEncryptEverything(JNIEnv* env, jobject obj);
   jboolean IsPassphraseRequired(JNIEnv* env, jobject obj);
   jboolean IsPassphraseRequiredForDecryption(JNIEnv* env, jobject obj);
   jboolean IsUsingSecondaryPassphrase(JNIEnv* env, jobject obj);
+  base::android::ScopedJavaLocalRef<jbyteArray> GetCustomPassphraseKey(
+      JNIEnv* env,
+      jobject obj);
   jint GetPassphraseType(JNIEnv* env, jobject obj);
   void SetEncryptionPassphrase(JNIEnv* env,
                                jobject obj,
                                jstring passphrase);
   jboolean SetDecryptionPassphrase(JNIEnv* env,
                                    jobject obj,
                                    jstring passphrase);
   jboolean HasExplicitPassphraseTime(JNIEnv* env, jobject);
   jlong GetExplicitPassphraseTime(JNIEnv* env, jobject);
   void FlushDirectory(JNIEnv* env, jobject obj);
@@ skipping 61 matching lines @@
   // preferences.
   scoped_ptr<sync_driver::SyncPrefs> sync_prefs_;
 
   // Java-side ProfileSyncService object.
   JavaObjectWeakGlobalRef weak_java_profile_sync_service_;
 
   DISALLOW_COPY_AND_ASSIGN(ProfileSyncServiceAndroid);
 };
 
 #endif  // CHROME_BROWSER_SYNC_PROFILE_SYNC_SERVICE_ANDROID_H_