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

mojo/runner/child_process_host.cc

 // 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.
 
 #include "mojo/runner/child_process_host.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/location.h"
 #include "base/logging.h"
 #include "base/macros.h"
 #include "base/message_loop/message_loop.h"
 #include "base/process/kill.h"
 #include "base/process/launch.h"
 #include "base/task_runner.h"
 #include "base/task_runner_util.h"
 #include "base/thread_task_runner_handle.h"
-#include "mojo/edk/embedder/embedder.h"
 #include "mojo/public/cpp/bindings/interface_ptr_info.h"
 #include "mojo/public/cpp/system/core.h"
 #include "mojo/runner/context.h"
 #include "mojo/runner/switches.h"
 #include "mojo/runner/task_runners.h"
+#include "third_party/mojo/src/mojo/edk/embedder/embedder.h"
 
 #if defined(OS_LINUX) && !defined(OS_ANDROID)
 #include "sandbox/linux/services/namespace_sandbox.h"
 #endif
 
 namespace mojo {
 namespace runner {
 
 ChildProcessHost::ChildProcessHost(Context* context,
                                    bool start_sandboxed,
@@ skipping 115 matching lines @@
   if (!on_app_complete_.is_null()) {
     auto on_app_complete = on_app_complete_;
     on_app_complete_.reset();
     on_app_complete.Run(result);
   }
 }
 
 void ChildProcessHost::DidCreateChannel(embedder::ChannelInfo* channel_info) {
   DVLOG(2) << "AppChildProcessHost::DidCreateChannel()";
 
-  CHECK(channel_info);
+  DCHECK(channel_info ||
+         base::CommandLine::ForCurrentProcess()->HasSwitch("use-new-edk"));
   channel_info_ = channel_info;
 }
 
 }  // namespace runner
 }  // namespace mojo