Remove a bunch of stuff in //mojo

mojo/logging/init_logging.cc

-// Copyright 2015 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 "mojo/logging/init_logging.h"
-
-#include "base/command_line.h"
-#include "base/logging.h"
-
-namespace mojo {
-namespace {
-
-::logging::LoggingDestination DetermineLogMode(
-    const base::CommandLine& command_line) {
-  // only use OutputDebugString in debug mode
-#if defined(NDEBUG)
-  bool enable_logging = false;
-  const char* kInvertLoggingSwitch = "enable-logging";
-#else
-  bool enable_logging = true;
-  const char* kInvertLoggingSwitch = "disable-logging";
-#endif
-  const ::logging::LoggingDestination kDefaultLoggingMode =
-      ::logging::LOG_TO_SYSTEM_DEBUG_LOG;
-
-  if (command_line.HasSwitch(kInvertLoggingSwitch))
-    enable_logging = !enable_logging;
-
-  return enable_logging ? kDefaultLoggingMode : ::logging::LOG_NONE;
-}
-
-}  // namespace
-
-void InitLogging() {
-  ::logging::LoggingSettings settings;
-  settings.logging_dest = DetermineLogMode(
-      *base::CommandLine::ForCurrentProcess());
-  ::logging::InitLogging(settings);
-
-  // we want process and thread IDs because we have a lot of things running
-  ::logging::SetLogItems(true,  // enable_process_id
-                         true,  // enable_thread_id
-                         true,  // enable_timestamp
-                         false);  // enable_tickcount
-}
-
-}  // namespace mojo