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

mojo/edk/system/handle_signals_state.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 THIRD_PARTY_MOJO_SRC_MOJO_EDK_SYSTEM_HANDLE_SIGNALS_STATE_H_
-#define THIRD_PARTY_MOJO_SRC_MOJO_EDK_SYSTEM_HANDLE_SIGNALS_STATE_H_
+#ifndef MOJO_EDK_SYSTEM_HANDLE_SIGNALS_STATE_H_
+#define MOJO_EDK_SYSTEM_HANDLE_SIGNALS_STATE_H_
 
+#include "mojo/edk/system/system_impl_export.h"
 #include "mojo/public/c/system/types.h"
-#include "third_party/mojo/src/mojo/edk/system/system_impl_export.h"
 
 namespace mojo {
-namespace system {
+namespace edk {
 
 // Just "add" some constructors and methods to the C struct
 // |MojoHandleSignalsState| (for convenience). This should add no overhead.
 struct MOJO_SYSTEM_IMPL_EXPORT HandleSignalsState final
     : public MojoHandleSignalsState {
   HandleSignalsState() {
     satisfied_signals = MOJO_HANDLE_SIGNAL_NONE;
     satisfiable_signals = MOJO_HANDLE_SIGNAL_NONE;
   }
   HandleSignalsState(MojoHandleSignals satisfied,
@@ skipping 13 matching lines @@
 
   bool can_satisfy(MojoHandleSignals signals) const {
     return !!(satisfiable_signals & signals);
   }
 
   // (Copy and assignment allowed.)
 };
 static_assert(sizeof(HandleSignalsState) == sizeof(MojoHandleSignalsState),
               "HandleSignalsState should add no overhead");
 
-}  // namespace system
+}  // namespace edk
 }  // namespace mojo
 
-#endif  // THIRD_PARTY_MOJO_SRC_MOJO_EDK_SYSTEM_HANDLE_SIGNALS_STATE_H_
+#endif  // MOJO_EDK_SYSTEM_HANDLE_SIGNALS_STATE_H_