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

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

Index: webrtc/sdk/android/src/jni/pc/sdpobserver_jni.h
diff --git a/webrtc/sdk/android/src/jni/pc/sdpobserver_jni.h b/webrtc/sdk/android/src/jni/pc/sdpobserver_jni.h
deleted file mode 100644
index 0113954065c9df82c278231a90b4694f3fc350aa..0000000000000000000000000000000000000000
--- a/webrtc/sdk/android/src/jni/pc/sdpobserver_jni.h
+++ /dev/null
@@ -1,108 +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.
- */
-
-#ifndef WEBRTC_SDK_ANDROID_SRC_JNI_PC_SDPOBSERVER_JNI_H_
-#define WEBRTC_SDK_ANDROID_SRC_JNI_PC_SDPOBSERVER_JNI_H_
-
-#include <memory>
-#include <string>
-
-#include "webrtc/api/peerconnectioninterface.h"
-#include "webrtc/sdk/android/src/jni/jni_helpers.h"
-#include "webrtc/sdk/android/src/jni/pc/mediaconstraints_jni.h"
-
-namespace webrtc_jni {
-
-// Adapter for a Java StatsObserver presenting a C++
-// CreateSessionDescriptionObserver or SetSessionDescriptionObserver and
-// dispatching the callback from C++ back to Java.
-template <class T>  // T is one of {Create,Set}SessionDescriptionObserver.
-class SdpObserverJni : public T {
- public:
-  SdpObserverJni(JNIEnv* jni,
-                 jobject j_observer,
-                 MediaConstraintsJni* constraints)
-      : constraints_(constraints),
-        j_observer_global_(jni, j_observer),
-        j_observer_class_(jni, GetObjectClass(jni, j_observer)) {}
-
-  virtual ~SdpObserverJni() {}
-
-  // Can't mark override because of templating.
-  virtual void OnSuccess() {
-    ScopedLocalRefFrame local_ref_frame(jni());
-    jmethodID m = GetMethodID(jni(), *j_observer_class_, "onSetSuccess", "()V");
-    jni()->CallVoidMethod(*j_observer_global_, m);
-    CHECK_EXCEPTION(jni()) << "error during CallVoidMethod";
-  }
-
-  // Can't mark override because of templating.
-  virtual void OnSuccess(webrtc::SessionDescriptionInterface* desc) {
-    ScopedLocalRefFrame local_ref_frame(jni());
-    jmethodID m = GetMethodID(jni(), *j_observer_class_, "onCreateSuccess",
-                              "(Lorg/webrtc/SessionDescription;)V");
-    jobject j_sdp = NativeToJavaSessionDescription(jni(), desc);
-    jni()->CallVoidMethod(*j_observer_global_, m, j_sdp);
-    CHECK_EXCEPTION(jni()) << "error during CallVoidMethod";
-    // OnSuccess transfers ownership of the description (there's a TODO to make
-    // it use unique_ptr...).
-    delete desc;
-  }
-
- protected:
-  // Common implementation for failure of Set & Create types, distinguished by
-  // |op| being "Set" or "Create".
-  void DoOnFailure(const std::string& op, const std::string& error) {
-    jmethodID m = GetMethodID(jni(), *j_observer_class_, "on" + op + "Failure",
-                              "(Ljava/lang/String;)V");
-    jstring j_error_string = JavaStringFromStdString(jni(), error);
-    jni()->CallVoidMethod(*j_observer_global_, m, j_error_string);
-    CHECK_EXCEPTION(jni()) << "error during CallVoidMethod";
-  }
-
-  JNIEnv* jni() { return AttachCurrentThreadIfNeeded(); }
-
- private:
-  std::unique_ptr<MediaConstraintsJni> constraints_;
-  const ScopedGlobalRef<jobject> j_observer_global_;
-  const ScopedGlobalRef<jclass> j_observer_class_;
-};
-
-class CreateSdpObserverJni
-    : public SdpObserverJni<webrtc::CreateSessionDescriptionObserver> {
- public:
-  CreateSdpObserverJni(JNIEnv* jni,
-                       jobject j_observer,
-                       MediaConstraintsJni* constraints)
-      : SdpObserverJni(jni, j_observer, constraints) {}
-
-  void OnFailure(const std::string& error) override {
-    ScopedLocalRefFrame local_ref_frame(jni());
-    SdpObserverJni::DoOnFailure(std::string("Create"), error);
-  }
-};
-
-class SetSdpObserverJni
-    : public SdpObserverJni<webrtc::SetSessionDescriptionObserver> {
- public:
-  SetSdpObserverJni(JNIEnv* jni,
-                    jobject j_observer,
-                    MediaConstraintsJni* constraints)
-      : SdpObserverJni(jni, j_observer, constraints) {}
-
-  void OnFailure(const std::string& error) override {
-    ScopedLocalRefFrame local_ref_frame(jni());
-    SdpObserverJni::DoOnFailure(std::string("Set"), error);
-  }
-};
-
-}  // namespace webrtc_jni
-
-#endif  // WEBRTC_SDK_ANDROID_SRC_JNI_PC_SDPOBSERVER_JNI_H_