Add a Mojo EDK for Chrome that uses one OS pipe per message pipe.

mojo/edk/embedder/test_embedder.h

 // 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_EDK_EMBEDDER_TEST_EMBEDDER_H_
 #define MOJO_EDK_EMBEDDER_TEST_EMBEDDER_H_
 
 #include "mojo/edk/system/system_impl_export.h"
 
 namespace mojo {
-namespace embedder {
+namespace edk {
 namespace test {
 
 // Calls |Init()| with a |SimplePlatformSupport| (use this in tests if, e.g.,
 // you don't care about sandboxing, etc.).
 MOJO_SYSTEM_IMPL_EXPORT void InitWithSimplePlatformSupport();
 
 // This shuts down the global, singleton instance. (Note: "Real" embedders are
 // not expected to ever shut down this instance. This |Shutdown()| function will
 // do more work to ensure that tests don't leak, etc.) Returns true if there
 // were no problems, false if there were leaks -- i.e., handles still open -- or
 // any other problems.
 //
 // Note: It is up to the caller to ensure that there are not outstanding
 // callbacks from |CreateChannel()| before calling this.
 MOJO_SYSTEM_IMPL_EXPORT bool Shutdown();
 
 }  // namespace test
-}  // namespace embedder
+}  // namespace edk
 }  // namespace mojo
 
 #endif  // MOJO_EDK_EMBEDDER_TEST_EMBEDDER_H_