Mojo: Make GetDefault{AsyncWaiter,Logger} static methods of Environment.

mojo/public/cpp/environment/lib/default_logger_internal.h

Index: mojo/public/cpp/environment/lib/default_logger_internal.h
diff --git a/mojo/public/cpp/environment/lib/default_logger_internal.h b/mojo/public/cpp/environment/lib/default_logger_internal.h
deleted file mode 100644
index 9a131a0780fc3795ad1ff6c379dbd2b430c1faf4..0000000000000000000000000000000000000000
--- a/mojo/public/cpp/environment/lib/default_logger_internal.h
+++ /dev/null
@@ -1,20 +0,0 @@
-// 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.
-
-#ifndef MOJO_PUBLIC_CPP_ENVIRONMENT_LIB_DEFAULT_LOGGER_INTERNAL_H_
-#define MOJO_PUBLIC_CPP_ENVIRONMENT_LIB_DEFAULT_LOGGER_INTERNAL_H_
-
-#include "mojo/public/c/environment/logger.h"
-
-namespace mojo {
-namespace internal {
-
-// Sets the minimum log level (which will always be at most
-// |MOJO_LOG_LEVEL_FATAL|).
-void SetMinimumLogLevel(MojoLogLevel minimum_log_level);
-
-}  // namespace internal
-}  // namespace mojo
-
-#endif  // MOJO_PUBLIC_CPP_ENVIRONMENT_LIB_DEFAULT_LOGGER_INTERNAL_H_