Add missing using statements for JNI types.

content/browser/android/content_view_statics.cc

 // Copyright (c) 2012 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 <jni.h>
 #include <vector>
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_string.h"
 #include "base/android/scoped_java_ref.h"
 #include "base/lazy_instance.h"
 #include "base/logging.h"
 #include "content/browser/android/content_view_statics.h"
 #include "content/common/android/address_parser.h"
 #include "content/common/view_messages.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/render_process_host_observer.h"
 #include "jni/ContentViewStatics_jni.h"
 
 using base::android::ConvertJavaStringToUTF16;
 using base::android::ConvertUTF16ToJavaString;
+using base::android::JavaParamRef;
+using base::android::ScopedJavaLocalRef;
 
 namespace {
 
 // TODO(pliard): http://crbug.com/235909. Move WebKit shared timer toggling
 // functionality out of ContentViewStatistics and not be build on top of
 // blink::Platform::SuspendSharedTimer.
 // TODO(pliard): http://crbug.com/235912. Add unit tests for WebKit shared timer
 // toggling.
 
 // This tracks the renderer processes that received a suspend request. It's
@@ skipping 84 matching lines @@
   }
 }
 
 namespace content {
 
 bool RegisterWebViewStatics(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }
 
 }  // namespace content