Fixing compilation failure in peerconnection_jni.cc with WEBRTC_CHROMIUM_BUILD.

Symbol LogcatTraceContext not defined.
Submitting on behalf of serya@.
Dup of https://webrtc-codereview.appspot.com/29529004/

TEST=Build target libjingle_peerconnection_javalib with applied CL https://codereview.chromium.org/551793003/
BUG=https://crbug.com/383418
R=serya@chromium.org

Review URL: https://webrtc-codereview.appspot.com/28529004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@7244 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/talk/app/webrtc/java/jni/peerconnection_jni.cc b/talk/app/webrtc/java/jni/peerconnection_jni.cc
index e0207e4..ba54071 100644
--- a/talk/app/webrtc/java/jni/peerconnection_jni.cc
+++ b/talk/app/webrtc/java/jni/peerconnection_jni.cc
@@ -2686,12 +2686,12 @@
   std::string path = JavaToStdString(jni, j_path);
   if (nativeLevels != webrtc::kTraceNone) {
     webrtc::Trace::set_level_filter(nativeLevels);
-#ifdef ANDROID
+#if defined(ANDROID) && !defined(WEBRTC_CHROMIUM_BUILD)
     if (path != "logcat:") {
 #endif
       CHECK_EQ(0, webrtc::Trace::SetTraceFile(path.c_str(), false))
           << "SetTraceFile failed";
-#ifdef ANDROID
+#if defined(ANDROID) && !defined(WEBRTC_CHROMIUM_BUILD)
     } else {
       // Intentionally leak this to avoid needing to reason about its lifecycle.
       // It keeps no state and functions only as a dispatch point.