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

mojo/edk/embedder/platform_handle.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.
 
-#include "third_party/mojo/src/mojo/edk/embedder/platform_handle.h"
+#include "mojo/edk/embedder/platform_handle.h"
 
 #include "build/build_config.h"
 #if defined(OS_POSIX)
 #include <unistd.h>
 #elif defined(OS_WIN)
 #include <windows.h>
 #else
 #error "Platform not yet supported."
 #endif
 
 #include "base/logging.h"
 
 namespace mojo {
-namespace embedder {
+namespace edk {
 
 void PlatformHandle::CloseIfNecessary() {
   if (!is_valid())
     return;
 
 #if defined(OS_POSIX)
   bool success = (close(fd) == 0);
   DPCHECK(success);
   fd = -1;
 #elif defined(OS_WIN)
   bool success = !!CloseHandle(handle);
   DPCHECK(success);
   handle = INVALID_HANDLE_VALUE;
 #else
 #error "Platform not yet supported."
 #endif
 }
 
-}  // namespace embedder
+}  // namespace edk
 }  // namespace mojo