Fix WebRTC logging so that logs from libpeerconnection make it to the log.

third_party/libjingle/overrides/talk/base/logging.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // This file overrides the logging macros in libjingle (talk/base/logging.h).
 // Instead of using libjingle's logging implementation, the libjingle macros are
 // mapped to the corresponding base/logging.h macro (chromium's VLOG).
 // If this file is included outside of libjingle (e.g. in wrapper code) it
 // should be included after base/logging.h (if any) or compiler error or
 // unexpected behavior may occur (macros that have the same name in libjingle as
@@ skipping 133 matching lines @@
     unprintable_count_[0] = unprintable_count_[1] = 0;
   }
 };
 
 // When possible, pass optional state variable to track various data across
 // multiple calls to LogMultiline.  Otherwise, pass NULL.
 void LogMultiline(LoggingSeverity level, const char* label, bool input,
                   const void* data, size_t len, bool hex_mode,
                   LogMultilineState* state);
 
+// TODO(grunell): Change name to InitDiagnosticLoggingDelegate or
+// InitDiagnosticLogging. Change also in init_webrtc.h/cc.
+// TODO(grunell): typedef the delegate function.
 void InitDiagnosticLoggingDelegateFunction(
     void (*delegate)(const std::string&));
 
+void SetExtraLoggingInit(
+    void (*function)(void (*delegate)(const std::string&)));
 }  // namespace talk_base
 
 //////////////////////////////////////////////////////////////////////
 // Libjingle macros which are mapped over to their VLOG equivalent in
 // base/logging.h
 //////////////////////////////////////////////////////////////////////
 
 #if defined(LOGGING_INSIDE_LIBJINGLE)
 
 #define DIAGNOSTIC_LOG(sev, ctx, err, ...) \
@@ skipping 35 matching lines @@
 #define LOG_ERR(sev) LOG_ERRNO(sev)
 #define LAST_SYSTEM_ERROR (errno)
 #endif  // OS_WIN
 
 #undef PLOG
 #define PLOG(sev, err) LOG_ERR_EX(sev, err)
 
 #endif  // LOGGING_INSIDE_LIBJINGLE
 
 #endif  // THIRD_PARTY_LIBJINGLE_OVERRIDES_TALK_BASE_LOGGING_H_