Add missing using statements for JNI types.

chrome/browser/invalidation/invalidation_service_factory_android.cc

 // Copyright 2014 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/invalidation/invalidation_service_factory_android.h"
 
 #include "base/android/jni_android.h"
 #include "chrome/browser/invalidation/profile_invalidation_provider_factory.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/profiles/profile_android.h"
 #include "components/invalidation/impl/invalidation_service_android.h"
 #include "components/invalidation/impl/profile_invalidation_provider.h"
 #include "jni/InvalidationServiceFactory_jni.h"
 
+using base::android::JavaParamRef;
 using base::android::ScopedJavaLocalRef;
 
 namespace invalidation {
 
 ScopedJavaLocalRef<jobject> InvalidationServiceFactoryAndroid::GetForProfile(
     JNIEnv* env,
     jclass clazz,
     jobject j_profile) {
   Profile* profile = ProfileAndroid::FromProfileAndroid(j_profile);
   invalidation::ProfileInvalidationProvider* provider =
@@ skipping 25 matching lines @@
                                        const JavaParamRef<jclass>& clazz,
                                        const JavaParamRef<jobject>& j_context) {
   return InvalidationServiceFactoryAndroid::GetForTest(env, clazz, j_context);
 }
 
 bool InvalidationServiceFactoryAndroid::Register(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }
 
 }  // namespace invalidation