Support for onbufferedamountlow

talk/app/webrtc/java/jni/peerconnection_jni.cc

Index: talk/app/webrtc/java/jni/peerconnection_jni.cc
diff --git a/talk/app/webrtc/java/jni/peerconnection_jni.cc b/talk/app/webrtc/java/jni/peerconnection_jni.cc
index 69078e6b7e9cbaf7cbc76b512185548174825bd5..74c466576853ed4122cc94931c4cb08752791d0d 100644
--- a/talk/app/webrtc/java/jni/peerconnection_jni.cc
+++ b/talk/app/webrtc/java/jni/peerconnection_jni.cc
@@ -559,6 +559,8 @@ class DataChannelObserverWrapper : public DataChannelObserver {
       : j_observer_global_(jni, j_observer),
         j_observer_class_(jni, GetObjectClass(jni, j_observer)),
         j_buffer_class_(jni, FindClass(jni, "org/webrtc/DataChannel$Buffer")),
+        j_on_buffered_amount_change_mid_(GetMethodID(jni, *j_observer_class_,
+                                           "onBufferedAmountChange", "(J)V")),
         j_on_state_change_mid_(GetMethodID(jni, *j_observer_class_,
                                            "onStateChange", "()V")),
         j_on_message_mid_(GetMethodID(jni, *j_observer_class_, "onMessage",
@@ -569,6 +571,13 @@ class DataChannelObserverWrapper : public DataChannelObserver {
 
   virtual ~DataChannelObserverWrapper() {}
 
+  void OnBufferedAmountChange(uint64 previous_amount) override {
+    ScopedLocalRefFrame local_ref_frame(jni());
+    jni()->CallVoidMethod(*j_observer_global_,
+        j_on_buffered_amount_change_mid_, previous_amount);
+    CHECK_EXCEPTION(jni()) << "error during CallVoidMethod";
+  }
+
   void OnStateChange() override {
     ScopedLocalRefFrame local_ref_frame(jni());
     jni()->CallVoidMethod(*j_observer_global_, j_on_state_change_mid_);
@@ -593,6 +602,7 @@ class DataChannelObserverWrapper : public DataChannelObserver {
   const ScopedGlobalRef<jobject> j_observer_global_;
   const ScopedGlobalRef<jclass> j_observer_class_;
   const ScopedGlobalRef<jclass> j_buffer_class_;
+  const jmethodID j_on_buffered_amount_change_mid_;
   const jmethodID j_on_state_change_mid_;
   const jmethodID j_on_message_mid_;
   const jmethodID j_buffer_ctor_;