android: Enable -Wunused-const-variable.

chrome/browser/sync/profile_sync_service_android.cc

 // 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.
 
 #include "chrome/browser/sync/profile_sync_service_android.h"
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_string.h"
 #include "base/bind.h"
 #include "base/i18n/time_formatting.h"
@@ skipping 28 matching lines @@
 #include "ui/base/l10n/l10n_util.h"
 
 using base::android::AttachCurrentThread;
 using base::android::CheckException;
 using base::android::ConvertJavaStringToUTF8;
 using base::android::ConvertUTF8ToJavaString;
 using base::android::ScopedJavaLocalRef;
 using content::BrowserThread;
 
 namespace {
-const char kSyncDisabledStatus[] = "OFFLINE_DISABLED";
 
 enum {
 #define DEFINE_MODEL_TYPE_SELECTION(name,value)  name = value,
 #include "chrome/browser/sync/profile_sync_service_model_type_selection_android.h"
 #undef DEFINE_MODEL_TYPE_SELECTION
 };
 
 }  // namespace
 
 ProfileSyncServiceAndroid::ProfileSyncServiceAndroid(JNIEnv* env, jobject obj)
@@ skipping 456 matching lines @@
   ProfileSyncServiceAndroid* profile_sync_service_android =
       new ProfileSyncServiceAndroid(env, obj);
   profile_sync_service_android->Init();
   return reinterpret_cast<jint>(profile_sync_service_android);
 }
 
 // static
 bool ProfileSyncServiceAndroid::Register(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }