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

tools/ipc_fuzzer/message_replay/replay_process.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 "tools/ipc_fuzzer/message_replay/replay_process.h"
 
 #include <limits.h>
 #include <string>
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/files/file_path.h"
 #include "base/logging.h"
 #include "base/posix/global_descriptors.h"
 #include "chrome/common/chrome_switches.h"
 #include "content/public/common/content_switches.h"
 #include "content/public/common/mojo_channel_switches.h"
 #include "ipc/ipc_descriptors.h"
 #include "ipc/ipc_switches.h"
 #include "ipc/mojo/ipc_channel_mojo.h"
+
+#if defined(USE_CHROME_EDK)
+#include "mojo/edk/embedder/configuration.h"
+#include "mojo/edk/embedder/embedder.h"
+#include "mojo/edk/embedder/simple_platform_support.h"
+#else
 #include "third_party/mojo/src/mojo/edk/embedder/configuration.h"
 #include "third_party/mojo/src/mojo/edk/embedder/embedder.h"
 #include "third_party/mojo/src/mojo/edk/embedder/simple_platform_support.h"
+#endif
 
 namespace ipc_fuzzer {
 
 // TODO(morrita): content::InitializeMojo() should be used once it becomes
 // a public API. See src/content/app/mojo/mojo_init.cc
 void InitializeMojo() {
   mojo::embedder::GetConfiguration()->max_message_num_bytes =
       64 * 1024 * 1024;
   mojo::embedder::Init(scoped_ptr<mojo::embedder::PlatformSupport>(
       new mojo::embedder::SimplePlatformSupport()));
@@ skipping 107 matching lines @@
   return true;
 }
 
 void ReplayProcess::OnChannelError() {
   LOG(ERROR) << "Channel error, quitting after "
              << message_index_ << " messages";
   base::MessageLoop::current()->Quit();
 }
 
 }  // namespace ipc_fuzzer