Make the fuchsia mojo/public repo the source of truth.

mojo/public/cpp/environment/lib/logging.cc

-// Copyright 2014 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/public/cpp/environment/logging.h"
-
-#include "mojo/public/cpp/environment/environment.h"
-
-namespace mojo {
-namespace internal {
-
-namespace {
-
-// Gets a pointer to the filename portion of |s|. Assumes that the filename
-// follows the last slash or backslash in |s|, or is |s| if no slash or
-// backslash is present.
-//
-// E.g., a pointer to "foo.cc" is returned for the following inputs: "foo.cc",
-// "./foo.cc", ".\foo.cc", "/absolute/path/to/foo.cc",
-// "relative/path/to/foo.cc", "C:\absolute\path\to\foo.cc", etc.
-const char* GetFilename(const char* s) {
-  const char* rv = s;
-  while (*s) {
-    if (*s == '/' || *s == '\\')
-      rv = s + 1;
-    s++;
-  }
-  return rv;
-}
-
-}  // namespace
-
-// TODO(vtl): Maybe we should preserve the full path and strip it out at a
-// different level instead?
-LogMessage::LogMessage(MojoLogLevel log_level, const char* file, int line)
-    : log_level_(log_level), file_(GetFilename(file)), line_(line) {
-}
-
-LogMessage::~LogMessage() {
-  Environment::GetDefaultLogger()->LogMessage(
-      log_level_, file_, static_cast<uint32_t>(line_), stream_.str().c_str());
-}
-
-}  // namespace internal
-}  // namespace mojo