Improve EAT_STREAM_PARAMETERS for Windows x86

base/logging.cc

 // 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.
 
 #include "base/logging.h"
 
 #include <limits.h>
 #include <stdint.h>
 
 #include "base/debug/activity_tracker.h"
@@ skipping 325 matching lines @@
 void CloseLogFileUnlocked() {
   if (!g_log_file)
     return;
 
   CloseFile(g_log_file);
   g_log_file = nullptr;
 }
 
 }  // namespace
 
+// This is never instantiated, it's just used for EAT_STREAM_PARAMETERS to have
+// an object of the correct type on the LHS of the unused part of the ternary
+// operator.
+std::ostream* g_swallow_stream;
+
 LoggingSettings::LoggingSettings()
     : logging_dest(LOG_DEFAULT),
       log_file(nullptr),
       lock_log(LOCK_LOG_FILE),
       delete_old(APPEND_TO_OLD_LOG_FILE) {}
 
 bool BaseInitLoggingImpl(const LoggingSettings& settings) {
 #if defined(OS_NACL)
   // Can log only to the system debug log.
   CHECK_EQ(settings.logging_dest & ~LOG_TO_SYSTEM_DEBUG_LOG, 0);
@@ skipping 587 matching lines @@
 BASE_EXPORT void LogErrorNotReached(const char* file, int line) {
   LogMessage(file, line, LOG_ERROR).stream()
       << "NOTREACHED() hit.";
 }
 
 }  // namespace logging
 
 std::ostream& std::operator<<(std::ostream& out, const wchar_t* wstr) {
   return out << (wstr ? base::WideToUTF8(wstr) : std::string());
 }