Revert of Break peerconnection_jni.cc into multiple files, in "pc" directory.

webrtc/sdk/android/src/jni/pc/dtmfsender_jni.cc

-/*
- *  Copyright 2017 The WebRTC project authors. All Rights Reserved.
- *
- *  Use of this source code is governed by a BSD-style license
- *  that can be found in the LICENSE file in the root of the source
- *  tree. An additional intellectual property rights grant can be found
- *  in the file PATENTS.  All contributing project authors may
- *  be found in the AUTHORS file in the root of the source tree.
- */
-
-#include "webrtc/api/dtmfsenderinterface.h"
-#include "webrtc/sdk/android/src/jni/jni_helpers.h"
-
-namespace webrtc_jni {
-
-JOW(jboolean, DtmfSender_nativeCanInsertDtmf)
-(JNIEnv* jni, jclass, jlong j_dtmf_sender_pointer) {
-  return reinterpret_cast<webrtc::DtmfSenderInterface*>(j_dtmf_sender_pointer)
-      ->CanInsertDtmf();
-}
-
-JOW(jboolean, DtmfSender_nativeInsertDtmf)
-(JNIEnv* jni,
- jclass,
- jlong j_dtmf_sender_pointer,
- jstring tones,
- jint duration,
- jint inter_tone_gap) {
-  return reinterpret_cast<webrtc::DtmfSenderInterface*>(j_dtmf_sender_pointer)
-      ->InsertDtmf(JavaToStdString(jni, tones), duration, inter_tone_gap);
-}
-
-JOW(jstring, DtmfSender_nativeTones)
-(JNIEnv* jni, jclass, jlong j_dtmf_sender_pointer) {
-  return JavaStringFromStdString(
-      jni, reinterpret_cast<webrtc::DtmfSenderInterface*>(j_dtmf_sender_pointer)
-               ->tones());
-}
-
-JOW(jint, DtmfSender_nativeDuration)
-(JNIEnv* jni, jclass, jlong j_dtmf_sender_pointer) {
-  return reinterpret_cast<webrtc::DtmfSenderInterface*>(j_dtmf_sender_pointer)
-      ->duration();
-}
-
-JOW(jint, DtmfSender_nativeInterToneGap)
-(JNIEnv* jni, jclass, jlong j_dtmf_sender_pointer) {
-  return reinterpret_cast<webrtc::DtmfSenderInterface*>(j_dtmf_sender_pointer)
-      ->inter_tone_gap();
-}
-
-JOW(void, DtmfSender_free)
-(JNIEnv* jni, jclass, jlong j_dtmf_sender_pointer) {
-  reinterpret_cast<webrtc::DtmfSenderInterface*>(j_dtmf_sender_pointer)
-      ->Release();
-}
-
-}  // namespace webrtc_jni