Android: Replace webrtc_jni namespace with nested jni namespace

webrtc/sdk/android/src/jni/pc/logging_jni.cc

 /*
  *  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.
  */
 
 #include <memory>
 
 #include "webrtc/rtc_base/logging.h"
 #include "webrtc/sdk/android/src/jni/jni_helpers.h"
 #include "webrtc/system_wrappers/include/logcat_trace_context.h"
 #include "webrtc/system_wrappers/include/trace.h"
 
-namespace webrtc_jni {
+namespace webrtc {
+namespace jni {
 
 JNI_FUNCTION_DECLARATION(void,
                          Logging_nativeEnableTracing,
                          JNIEnv* jni,
                          jclass,
                          jstring j_path,
                          jint nativeLevels) {
   std::string path = JavaToStdString(jni, j_path);
-  if (nativeLevels != webrtc::kTraceNone) {
-    webrtc::Trace::set_level_filter(nativeLevels);
+  if (nativeLevels != kTraceNone) {
+    Trace::set_level_filter(nativeLevels);
     if (path != "logcat:") {
-      RTC_CHECK_EQ(0, webrtc::Trace::SetTraceFile(path.c_str(), false))
+      RTC_CHECK_EQ(0, Trace::SetTraceFile(path.c_str(), false))
           << "SetTraceFile failed";
     } else {
       // Intentionally leak this to avoid needing to reason about its lifecycle.
       // It keeps no state and functions only as a dispatch point.
-      static webrtc::LogcatTraceContext* g_trace_callback =
-          new webrtc::LogcatTraceContext();
+      static LogcatTraceContext* g_trace_callback = new LogcatTraceContext();
     }
   }
 }
 
 JNI_FUNCTION_DECLARATION(void,
                          Logging_nativeEnableLogToDebugOutput,
                          JNIEnv* jni,
                          jclass,
                          jint nativeSeverity) {
   if (nativeSeverity >= rtc::LS_SENSITIVE && nativeSeverity <= rtc::LS_NONE) {
@@ skipping 21 matching lines @@
                          JNIEnv* jni,
                          jclass,
                          jint j_severity,
                          jstring j_tag,
                          jstring j_message) {
   std::string message = JavaToStdString(jni, j_message);
   std::string tag = JavaToStdString(jni, j_tag);
   LOG_TAG(static_cast<rtc::LoggingSeverity>(j_severity), tag) << message;
 }
 
-}  // namespace webrtc_jni
+}  // namespace jni
+}  // namespace webrtc