Reverts third_party/protobuf: Update to HEAD (f52e188fe4)

third_party/protobuf/src/google/protobuf/stubs/common.cc

 // Protocol Buffers - Google's data interchange format
 // Copyright 2008 Google Inc.  All rights reserved.
 // https://developers.google.com/protocol-buffers/
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 // notice, this list of conditions and the following disclaimer.
@@ skipping 90 matching lines @@
   buffer[sizeof(buffer)-1] = '\0';
 
   return buffer;
 }
 
 }  // namespace internal
 
 // ===================================================================
 // emulates google3/base/logging.cc
 
-// If the minimum logging level is not set, we default to logging messages for
-// all levels.
-#ifndef GOOGLE_PROTOBUF_MIN_LOG_LEVEL
-#define GOOGLE_PROTOBUF_MIN_LOG_LEVEL LOGLEVEL_INFO
-#endif
-
 namespace internal {
-
 #if defined(__ANDROID__)
 inline void DefaultLogHandler(LogLevel level, const char* filename, int line,
                               const string& message) {
+#ifdef GOOGLE_PROTOBUF_MIN_LOG_LEVEL
   if (level < GOOGLE_PROTOBUF_MIN_LOG_LEVEL) {
     return;
   }
   static const char* level_names[] = {"INFO", "WARNING", "ERROR", "FATAL"};
 
   static const int android_log_levels[] = {
       ANDROID_LOG_INFO,   // LOG(INFO),
       ANDROID_LOG_WARN,   // LOG(WARNING)
       ANDROID_LOG_ERROR,  // LOG(ERROR)
       ANDROID_LOG_FATAL,  // LOG(FATAL)
@@ skipping 10 matching lines @@
                       ostr.str().c_str());
   // Also output to std::cerr.
   fprintf(stderr, "%s", ostr.str().c_str());
   fflush(stderr);
 
   // Indicate termination if needed.
   if (android_log_level == ANDROID_LOG_FATAL) {
     __android_log_write(ANDROID_LOG_FATAL, "libprotobuf-native",
                         "terminating.\n");
   }
+#endif
 }
-
 #else
 void DefaultLogHandler(LogLevel level, const char* filename, int line,
                        const string& message) {
-  if (level < GOOGLE_PROTOBUF_MIN_LOG_LEVEL) {
-    return;
-  }
   static const char* level_names[] = { "INFO", "WARNING", "ERROR", "FATAL" };
 
   // We use fprintf() instead of cerr because we want this to work at static
   // initialization time.
   fprintf(stderr, "[libprotobuf %s %s:%d] %s\n",
           level_names[level], filename, line, message.c_str());
   fflush(stderr);  // Needed on MSVC.
 }
 #endif
 
@@ skipping 289 matching lines @@
 #if PROTOBUF_USE_EXCEPTIONS
 FatalException::~FatalException() throw() {}
 
 const char* FatalException::what() const throw() {
   return message_.c_str();
 }
 #endif
 
 }  // namespace protobuf
 }  // namespace google