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

mojo/edk/system/handle_table.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_SYSTEM_HANDLE_TABLE_H_
 #define MOJO_EDK_SYSTEM_HANDLE_TABLE_H_
 
 #include <utility>
 #include <vector>
 
 #include "base/containers/hash_tables.h"
 #include "base/memory/ref_counted.h"
 #include "mojo/edk/system/system_impl_export.h"
 #include "mojo/public/c/system/types.h"
 #include "mojo/public/cpp/system/macros.h"
 
 namespace mojo {
-namespace system {
+namespace edk {
 
 class Core;
 class Dispatcher;
 class DispatcherTransport;
 
 using DispatcherVector = std::vector<scoped_refptr<Dispatcher>>;
 
 // Test-only function (defined/used in embedder/test_embedder.cc). Declared here
 // so it can be friended.
 namespace internal {
@@ skipping 102 matching lines @@
   // Adds the given dispatcher to the handle table, not doing any size checks.
   MojoHandle AddDispatcherNoSizeCheck(
       const scoped_refptr<Dispatcher>& dispatcher);
 
   HandleToEntryMap handle_to_entry_map_;
   MojoHandle next_handle_;  // Invariant: never |MOJO_HANDLE_INVALID|.
 
   MOJO_DISALLOW_COPY_AND_ASSIGN(HandleTable);
 };
 
-}  // namespace system
+}  // namespace edk
 }  // namespace mojo
 
 #endif  // MOJO_EDK_SYSTEM_HANDLE_TABLE_H_