Revert "Add option to print peer connection factory Java stack traces."

talk/app/webrtc/java/src/org/webrtc/PeerConnectionFactory.java

Index: talk/app/webrtc/java/src/org/webrtc/PeerConnectionFactory.java
diff --git a/talk/app/webrtc/java/src/org/webrtc/PeerConnectionFactory.java b/talk/app/webrtc/java/src/org/webrtc/PeerConnectionFactory.java
index 0460624aa7c1eb36ab0f41862d8da947d2f83d7a..6bc8189cd85e80c5fb1987fb297b214ec1a68a0d 100644
--- a/talk/app/webrtc/java/src/org/webrtc/PeerConnectionFactory.java
+++ b/talk/app/webrtc/java/src/org/webrtc/PeerConnectionFactory.java
@@ -148,21 +148,19 @@ public class PeerConnectionFactory {
     nativeThreadsCallbacks(nativeFactory);
   }
 
-  private static void printStackTrace(Thread thread, String threadName) {
-    if (thread != null) {
-      StackTraceElement[] stackTraces = thread.getStackTrace();
-      if (stackTraces.length > 0) {
-        Logging.d(TAG, threadName + " stacks trace:");
-        for (StackTraceElement stackTrace : stackTraces) {
-          Logging.d(TAG, stackTrace.toString());
-        }
+  public static void printStackTraces() {
+    if (workerThread != null) {
+      Logging.d(TAG, "Worker thread stacks trace:");
+      for (StackTraceElement stackTrace : workerThread.getStackTrace()) {
+        Logging.d(TAG, stackTrace.toString());
+      }
+    }
+    if (signalingThread != null) {
+      Logging.d(TAG, "Signaling thread stacks trace:");
+      for (StackTraceElement stackTrace : signalingThread.getStackTrace()) {
+        Logging.d(TAG, stackTrace.toString());
       }
     }
-  }
-
-  public static void printStackTraces() {
-    printStackTrace(workerThread, "Worker thread");
-    printStackTrace(signalingThread, "Signaling thread");
   }
 
   private static void onWorkerThreadReady() {