Update //third_party/protobuf to version 3.

third_party/protobuf/src/google/protobuf/io/printer_unittest.cc

 // Protocol Buffers - Google's data interchange format
 // Copyright 2008 Google Inc.  All rights reserved.
-// http://code.google.com/p/protobuf/
+// 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.
 //     * Redistributions in binary form must reproduce the above
 // copyright notice, this list of conditions and the following disclaimer
 // in the documentation and/or other materials provided with the
@@ skipping 16 matching lines @@
 
 // Author: kenton@google.com (Kenton Varda)
 //  Based on original Protocol Buffers design by
 //  Sanjay Ghemawat, Jeff Dean, and others.
 
 #include <vector>
 
 #include <google/protobuf/io/printer.h>
 #include <google/protobuf/io/zero_copy_stream_impl.h>
 
+#include <google/protobuf/stubs/logging.h>
 #include <google/protobuf/stubs/common.h>
 #include <google/protobuf/testing/googletest.h>
 #include <gtest/gtest.h>
 
 namespace google {
 namespace protobuf {
 namespace io {
 namespace {
 
 // Each test repeats over several block sizes in order to test both cases
@@ skipping 174 matching lines @@
 TEST(Printer, Death) {
   char buffer[8192];
 
   ArrayOutputStream output(buffer, sizeof(buffer));
   Printer printer(&output, '$');
 
   EXPECT_DEBUG_DEATH(printer.Print("$nosuchvar$"), "Undefined variable");
   EXPECT_DEBUG_DEATH(printer.Print("$unclosed"), "Unclosed variable name");
   EXPECT_DEBUG_DEATH(printer.Outdent(), "without matching Indent");
 }
-#endif  // PROTOBUF__HAS_DEATH_TEST
+#endif  // PROTOBUF_HAS_DEATH_TEST
 
 TEST(Printer, WriteFailurePartial) {
   char buffer[17];
 
   ArrayOutputStream output(buffer, sizeof(buffer));
   Printer printer(&output, '$');
 
   // Print 16 bytes to almost fill the buffer (should not fail).
   printer.Print("0123456789abcdef");
   EXPECT_FALSE(printer.failed());
@@ skipping 31 matching lines @@
   EXPECT_TRUE(printer.failed());
 
   // Buffer should contain the first 16 bytes written.
   EXPECT_EQ("0123456789abcdef", string(buffer, sizeof(buffer)));
 }
 
 }  // namespace
 }  // namespace io
 }  // namespace protobuf
 }  // namespace google