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

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

Index: webrtc/sdk/android/src/jni/pc/datachannel_jni.cc
diff --git a/webrtc/sdk/android/src/jni/pc/datachannel_jni.cc b/webrtc/sdk/android/src/jni/pc/datachannel_jni.cc
deleted file mode 100644
index 71621f5f02873dbd861cb2bda556c771bf81dda6..0000000000000000000000000000000000000000
--- a/webrtc/sdk/android/src/jni/pc/datachannel_jni.cc
+++ /dev/null
@@ -1,81 +0,0 @@
-/*
- *  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 <memory>
-
-#include "webrtc/api/datachannelinterface.h"
-#include "webrtc/sdk/android/src/jni/jni_helpers.h"
-#include "webrtc/sdk/android/src/jni/pc/datachannelobserver_jni.h"
-
-namespace webrtc_jni {
-
-static webrtc::DataChannelInterface* ExtractNativeDC(JNIEnv* jni,
-                                                     jobject j_dc) {
-  jfieldID native_dc_id =
-      GetFieldID(jni, GetObjectClass(jni, j_dc), "nativeDataChannel", "J");
-  jlong j_d = GetLongField(jni, j_dc, native_dc_id);
-  return reinterpret_cast<webrtc::DataChannelInterface*>(j_d);
-}
-
-JOW(jlong, DataChannel_registerObserverNative)
-(JNIEnv* jni, jobject j_dc, jobject j_observer) {
-  std::unique_ptr<DataChannelObserverJni> observer(
-      new DataChannelObserverJni(jni, j_observer));
-  ExtractNativeDC(jni, j_dc)->RegisterObserver(observer.get());
-  return jlongFromPointer(observer.release());
-}
-
-JOW(void, DataChannel_unregisterObserverNative)
-(JNIEnv* jni, jobject j_dc, jlong native_observer) {
-  ExtractNativeDC(jni, j_dc)->UnregisterObserver();
-  delete reinterpret_cast<DataChannelObserverJni*>(native_observer);
-}
-
-JOW(jstring, DataChannel_label)(JNIEnv* jni, jobject j_dc) {
-  return JavaStringFromStdString(jni, ExtractNativeDC(jni, j_dc)->label());
-}
-
-JOW(jint, DataChannel_id)(JNIEnv* jni, jobject j_dc) {
-  int id = ExtractNativeDC(jni, j_dc)->id();
-  RTC_CHECK_LE(id, std::numeric_limits<int32_t>::max())
-      << "id overflowed jint!";
-  return static_cast<jint>(id);
-}
-
-JOW(jobject, DataChannel_state)(JNIEnv* jni, jobject j_dc) {
-  return JavaEnumFromIndexAndClassName(jni, "DataChannel$State",
-                                       ExtractNativeDC(jni, j_dc)->state());
-}
-
-JOW(jlong, DataChannel_bufferedAmount)(JNIEnv* jni, jobject j_dc) {
-  uint64_t buffered_amount = ExtractNativeDC(jni, j_dc)->buffered_amount();
-  RTC_CHECK_LE(buffered_amount, std::numeric_limits<int64_t>::max())
-      << "buffered_amount overflowed jlong!";
-  return static_cast<jlong>(buffered_amount);
-}
-
-JOW(void, DataChannel_close)(JNIEnv* jni, jobject j_dc) {
-  ExtractNativeDC(jni, j_dc)->Close();
-}
-
-JOW(jboolean, DataChannel_sendNative)
-(JNIEnv* jni, jobject j_dc, jbyteArray data, jboolean binary) {
-  jbyte* bytes = jni->GetByteArrayElements(data, NULL);
-  bool ret = ExtractNativeDC(jni, j_dc)->Send(webrtc::DataBuffer(
-      rtc::CopyOnWriteBuffer(bytes, jni->GetArrayLength(data)), binary));
-  jni->ReleaseByteArrayElements(data, bytes, JNI_ABORT);
-  return ret;
-}
-
-JOW(void, DataChannel_dispose)(JNIEnv* jni, jobject j_dc) {
-  CHECK_RELEASE(ExtractNativeDC(jni, j_dc));
-}
-
-}  // namespace webrtc_jni