Implement standalone event tracing in AppRTCDemo.

webrtc/examples/androidapp/src/org/appspot/apprtc/CallActivity.java

 /*
  *  Copyright 2015 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.
  */
 
@@ skipping 60 matching lines @@
   public static final String EXTRA_AUDIO_BITRATE =
       "org.appspot.apprtc.AUDIO_BITRATE";
   public static final String EXTRA_AUDIOCODEC =
       "org.appspot.apprtc.AUDIOCODEC";
   public static final String EXTRA_NOAUDIOPROCESSING_ENABLED =
       "org.appspot.apprtc.NOAUDIOPROCESSING";
   public static final String EXTRA_OPENSLES_ENABLED =
       "org.appspot.apprtc.OPENSLES";
   public static final String EXTRA_DISPLAY_HUD =
       "org.appspot.apprtc.DISPLAY_HUD";
+  public static final String EXTRA_TRACING = "org.appspot.apprtc.TRACING";
   public static final String EXTRA_CMDLINE =
       "org.appspot.apprtc.CMDLINE";
   public static final String EXTRA_RUNTIME =
       "org.appspot.apprtc.RUNTIME";
   private static final String TAG = "CallRTCClient";
 
   // List of mandatory application permissions.
   private static final String[] MANDATORY_PERMISSIONS = {
     "android.permission.MODIFY_AUDIO_SETTINGS",
     "android.permission.RECORD_AUDIO",
@@ skipping 115 matching lines @@
     }
     String roomId = intent.getStringExtra(EXTRA_ROOMID);
     if (roomId == null || roomId.length() == 0) {
       logAndToast(getString(R.string.missing_url));
       Log.e(TAG, "Incorrect room ID in intent!");
       setResult(RESULT_CANCELED);
       finish();
       return;
     }
     boolean loopback = intent.getBooleanExtra(EXTRA_LOOPBACK, false);
+    boolean tracing = intent.getBooleanExtra(EXTRA_TRACING, false);
     peerConnectionParameters = new PeerConnectionParameters(
         intent.getBooleanExtra(EXTRA_VIDEO_CALL, true),
         loopback,
+        tracing,
         intent.getIntExtra(EXTRA_VIDEO_WIDTH, 0),
         intent.getIntExtra(EXTRA_VIDEO_HEIGHT, 0),
         intent.getIntExtra(EXTRA_VIDEO_FPS, 0),
         intent.getIntExtra(EXTRA_VIDEO_BITRATE, 0),
         intent.getStringExtra(EXTRA_VIDEOCODEC),
         intent.getBooleanExtra(EXTRA_HWCODEC_ENABLED, true),
         intent.getBooleanExtra(EXTRA_CAPTURETOTEXTURE_ENABLED, false),
         intent.getIntExtra(EXTRA_AUDIO_BITRATE, 0),
         intent.getStringExtra(EXTRA_AUDIOCODEC),
         intent.getBooleanExtra(EXTRA_NOAUDIOPROCESSING_ENABLED, false),
@@ skipping 414 matching lines @@
         }
       }
     });
   }
 
   @Override
   public void onPeerConnectionError(final String description) {
     reportError(description);
   }
 }