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

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

Index: mojo/public/cpp/environment/lib/default_logger.h
diff --git a/mojo/public/cpp/application/lib/service_connector.cc b/mojo/public/cpp/environment/lib/default_logger.h
similarity index 51%
copy from mojo/public/cpp/application/lib/service_connector.cc
copy to mojo/public/cpp/environment/lib/default_logger.h
index 5cc4421b7aaa9f4b930c86abc08d4377f3ae7e7d..4db32336811001e60f44d6b9cab0279992af1998 100644
--- a/mojo/public/cpp/application/lib/service_connector.cc
+++ b/mojo/public/cpp/environment/lib/default_logger.h
@@ -2,17 +2,17 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "mojo/public/cpp/application/lib/service_connector.h"
+#ifndef MOJO_PUBLIC_CPP_ENVIRONMENT_LIB_DEFAULT_LOGGER_H_
+#define MOJO_PUBLIC_CPP_ENVIRONMENT_LIB_DEFAULT_LOGGER_H_
+
+struct MojoLogger;
 
 namespace mojo {
 namespace internal {
 
-ServiceConnectorBase::ServiceConnectorBase(const std::string& name)
-    : name_(name),
-      registry_(NULL) {
-}
-
-ServiceConnectorBase::~ServiceConnectorBase() {}
+extern const MojoLogger kDefaultLogger;
 
 }  // namespace internal
 }  // namespace mojo
+
+#endif  // MOJO_PUBLIC_CPP_ENVIRONMENT_LIB_DEFAULT_LOGGER_H_