Relanding: Break peerconnection_jni.cc into multiple files, in "pc" directory.

webrtc/sdk/android/src/jni/pc/java_native_conversion.h

Index: webrtc/sdk/android/src/jni/pc/java_native_conversion.h
diff --git a/webrtc/sdk/android/src/jni/pc/java_native_conversion.h b/webrtc/sdk/android/src/jni/pc/java_native_conversion.h
new file mode 100644
index 0000000000000000000000000000000000000000..0e4e2c1eb4ee4dfa066614233502dd44a17ea1d2
--- /dev/null
+++ b/webrtc/sdk/android/src/jni/pc/java_native_conversion.h
@@ -0,0 +1,112 @@
+/*
+ *  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.
+ */
+
+#ifndef WEBRTC_SDK_ANDROID_SRC_JNI_PC_JAVA_NATIVE_CONVERSION_H_
+#define WEBRTC_SDK_ANDROID_SRC_JNI_PC_JAVA_NATIVE_CONVERSION_H_
+
+#include <vector>
+
+#include "webrtc/api/datachannelinterface.h"
+#include "webrtc/api/jsep.h"
+#include "webrtc/api/jsepicecandidate.h"
+#include "webrtc/api/mediastreaminterface.h"
+#include "webrtc/api/mediatypes.h"
+#include "webrtc/api/peerconnectioninterface.h"
+#include "webrtc/api/rtpparameters.h"
+#include "webrtc/rtc_base/sslidentity.h"
+#include "webrtc/sdk/android/src/jni/jni_helpers.h"
+
+// This file contains helper methods for converting between simple C++ and Java
+// PeerConnection-related structures. Similar to some methods in jni_helpers.h,
+// but specifically for structures tied to the PeerConnection API.
+
+namespace webrtc_jni {
+
+webrtc::DataChannelInit JavaToNativeDataChannelInit(JNIEnv* jni,
+                                                    jobject j_init);
+
+cricket::MediaType JavaToNativeMediaType(JNIEnv* jni, jobject j_media_type);
+
+jobject NativeToJavaMediaType(JNIEnv* jni, cricket::MediaType media_type);
+
+cricket::Candidate JavaToNativeCandidate(JNIEnv* jni, jobject j_candidate);
+
+jobject NativeToJavaCandidate(JNIEnv* jni,
+                              jclass* candidate_class,
+                              const cricket::Candidate& candidate);
+
+jobjectArray NativeToJavaCandidateArray(
+    JNIEnv* jni,
+    const std::vector<cricket::Candidate>& candidates);
+
+webrtc::SessionDescriptionInterface* JavaToNativeSessionDescription(
+    JNIEnv* jni,
+    jobject j_sdp);
+
+jobject NativeToJavaSessionDescription(
+    JNIEnv* jni,
+    const webrtc::SessionDescriptionInterface* desc);
+
+webrtc::PeerConnectionFactoryInterface::Options
+JavaToNativePeerConnectionFactoryOptions(JNIEnv* jni, jobject options);
+
+/*****************************************************
+ * Below are all things that go into RTCConfiguration.
+ *****************************************************/
+webrtc::PeerConnectionInterface::IceTransportsType
+JavaToNativeIceTransportsType(JNIEnv* jni, jobject j_ice_transports_type);
+
+webrtc::PeerConnectionInterface::BundlePolicy JavaToNativeBundlePolicy(
+    JNIEnv* jni,
+    jobject j_bundle_policy);
+
+webrtc::PeerConnectionInterface::RtcpMuxPolicy JavaToNativeRtcpMuxPolicy(
+    JNIEnv* jni,
+    jobject j_rtcp_mux_policy);
+
+webrtc::PeerConnectionInterface::TcpCandidatePolicy
+JavaToNativeTcpCandidatePolicy(JNIEnv* jni, jobject j_tcp_candidate_policy);
+
+webrtc::PeerConnectionInterface::CandidateNetworkPolicy
+JavaToNativeCandidateNetworkPolicy(JNIEnv* jni,
+                                   jobject j_candidate_network_policy);
+
+rtc::KeyType JavaToNativeKeyType(JNIEnv* jni, jobject j_key_type);
+
+webrtc::PeerConnectionInterface::ContinualGatheringPolicy
+JavaToNativeContinualGatheringPolicy(JNIEnv* jni, jobject j_gathering_policy);
+
+webrtc::PeerConnectionInterface::TlsCertPolicy JavaToNativeTlsCertPolicy(
+    JNIEnv* jni,
+    jobject j_ice_server_tls_cert_policy);
+
+void JavaToNativeIceServers(
+    JNIEnv* jni,
+    jobject j_ice_servers,
+    webrtc::PeerConnectionInterface::IceServers* ice_servers);
+
+void JavaToNativeRTCConfiguration(
+    JNIEnv* jni,
+    jobject j_rtc_config,
+    webrtc::PeerConnectionInterface::RTCConfiguration* rtc_config);
+
+/*********************************************************
+ * RtpParameters, used for RtpSender and RtpReceiver APIs.
+ *********************************************************/
+void JavaToNativeRtpParameters(JNIEnv* jni,
+                               jobject j_parameters,
+                               webrtc::RtpParameters* parameters);
+
+jobject NativeToJavaRtpParameters(JNIEnv* jni,
+                                  const webrtc::RtpParameters& parameters);
+
+}  // namespace webrtc_jni
+
+#endif  // WEBRTC_SDK_ANDROID_SRC_JNI_PC_JAVA_NATIVE_CONVERSION_H_