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

mojo/edk/embedder/platform_handle_vector.h

Index: mojo/edk/embedder/platform_handle_vector.h
diff --git a/third_party/mojo/src/mojo/edk/embedder/platform_handle_vector.h b/mojo/edk/embedder/platform_handle_vector.h
similarity index 61%
copy from third_party/mojo/src/mojo/edk/embedder/platform_handle_vector.h
copy to mojo/edk/embedder/platform_handle_vector.h
index e93176b59b58f713e8197c1b531d8dfb7d93c55c..2bea729ab243bb65fd2bb9a43af341eec83e1e66 100644
--- a/third_party/mojo/src/mojo/edk/embedder/platform_handle_vector.h
+++ b/mojo/edk/embedder/platform_handle_vector.h
@@ -2,18 +2,18 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef THIRD_PARTY_MOJO_SRC_MOJO_EDK_EMBEDDER_PLATFORM_HANDLE_VECTOR_H_
-#define THIRD_PARTY_MOJO_SRC_MOJO_EDK_EMBEDDER_PLATFORM_HANDLE_VECTOR_H_
+#ifndef MOJO_EDK_EMBEDDER_PLATFORM_HANDLE_VECTOR_H_
+#define MOJO_EDK_EMBEDDER_PLATFORM_HANDLE_VECTOR_H_
 
 #include <vector>
 
 #include "base/memory/scoped_ptr.h"
-#include "third_party/mojo/src/mojo/edk/embedder/platform_handle.h"
-#include "third_party/mojo/src/mojo/edk/embedder/platform_handle_utils.h"
-#include "third_party/mojo/src/mojo/edk/system/system_impl_export.h"
+#include "mojo/edk/embedder/platform_handle.h"
+#include "mojo/edk/embedder/platform_handle_utils.h"
+#include "mojo/edk/system/system_impl_export.h"
 
 namespace mojo {
-namespace embedder {
+namespace edk {
 
 using PlatformHandleVector = std::vector<PlatformHandle>;
 
@@ -29,7 +29,7 @@ struct MOJO_SYSTEM_IMPL_EXPORT PlatformHandleVectorDeleter {
 using ScopedPlatformHandleVectorPtr =
     scoped_ptr<PlatformHandleVector, PlatformHandleVectorDeleter>;
 
-}  // namespace embedder
+}  // namespace edk
 }  // namespace mojo
 
-#endif  // THIRD_PARTY_MOJO_SRC_MOJO_EDK_EMBEDDER_PLATFORM_HANDLE_VECTOR_H_
+#endif  // MOJO_EDK_EMBEDDER_PLATFORM_HANDLE_VECTOR_H_