Add Chromium environment application test support.

mojo/environment/environment.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/environment.h"
 
-#include "base/logging.h"
 #include "mojo/environment/default_async_waiter_impl.h"
 #include "mojo/environment/default_logger_impl.h"
+#include "mojo/environment/default_run_loop_impl.h"
 
 namespace mojo {
 
 // These methods are intentionally not implemented so that there is a link
 // error if someone uses them in a Chromium-environment.
 #if 0
 Environment::Environment() {
 }
 
 Environment::Environment(const MojoAsyncWaiter* default_async_waiter,
                          const MojoLogger* default_logger) {
 }
 
 Environment::~Environment() {
 }
 #endif
 
 // static
 const MojoAsyncWaiter* Environment::GetDefaultAsyncWaiter() {
   return internal::GetDefaultAsyncWaiterImpl();
 }
 
 // static
 const MojoLogger* Environment::GetDefaultLogger() {
   return internal::GetDefaultLoggerImpl();
 }
 
 // static
 void Environment::InstantiateDefaultRunLoop() {
-  // TODO(msw): Support the base::MessageLoop/RunLoop Chromium-environment.
-  NOTIMPLEMENTED();
+  internal::InstantiateDefaultRunLoopImpl();
 }
 
 // static
 void Environment::DestroyDefaultRunLoop() {
-  // TODO(msw): Support the base::MessageLoop/RunLoop Chromium-environment.
-  NOTIMPLEMENTED();
+  internal::DestroyDefaultRunLoopImpl();
 }
 
 }  // namespace mojo