Mojo: Move system embedder API files to mojo/system/embedder.

mojo/system/multiprocess_message_pipe_unittest.cc

 // Copyright 2013 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.
 
 // TODO(vtl): Enable this on non-POSIX once we have a non-POSIX implementation.
 #include "build/build_config.h"
 #if defined(OS_POSIX)
 
 #include <stdint.h>
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/location.h"
 #include "base/logging.h"
 #include "base/message_loop/message_loop.h"
 #include "base/threading/thread.h"
 #include "mojo/common/test/multiprocess_test_base.h"
 #include "mojo/system/channel.h"
+#include "mojo/system/embedder/scoped_platform_handle.h"
 #include "mojo/system/local_message_pipe_endpoint.h"
 #include "mojo/system/message_pipe.h"
 #include "mojo/system/proxy_message_pipe_endpoint.h"
-#include "mojo/system/scoped_platform_handle.h"
 #include "mojo/system/test_utils.h"
 #include "mojo/system/waiter.h"
 
 namespace mojo {
 namespace system {
 namespace {
 
 class IOThreadWrapper {
  public:
   IOThreadWrapper() : io_thread_("io_thread") {}
@@ skipping 252 matching lines @@
   mp->Close(0);
 
   EXPECT_EQ(static_cast<int>(kNumMessages % 100), WaitForChildShutdown());
 }
 
 }  // namespace
 }  // namespace system
 }  // namespace mojo
 
 #endif  // defined(OS_POSIX)