Add missing using statements for JNI types.

chrome/browser/android/blimp/blimp_client_context_factory_android.cc

 // 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.
 
 #include "chrome/browser/android/blimp/blimp_client_context_factory_android.h"
 
 #include "base/android/jni_android.h"
 #include "base/android/scoped_java_ref.h"
 #include "blimp/client/public/blimp_client_context.h"
 #include "chrome/browser/android/blimp/blimp_client_context_factory.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/profiles/profile_android.h"
 #include "jni/BlimpClientContextFactory_jni.h"
 
+using base::android::JavaParamRef;
+
 namespace content {
 class BrowserContext;
 }
 
 static base::android::ScopedJavaLocalRef<jobject>
 GetBlimpClientContextForProfile(JNIEnv* env,
                                 const JavaParamRef<jclass>& clazz,
                                 const JavaParamRef<jobject>& jprofile) {
   Profile* profile = ProfileAndroid::FromProfileAndroid(jprofile);
   DCHECK(profile);
   return blimp::client::BlimpClientContext::GetJavaObject(
       BlimpClientContextFactory::GetInstance()->GetForBrowserContext(profile));
 }
 
 bool RegisterBlimpClientContextFactoryJni(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }