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

mojo/edk/embedder/configuration.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_EMBEDDER_CONFIGURATION_H_
-#define THIRD_PARTY_MOJO_SRC_MOJO_EDK_EMBEDDER_CONFIGURATION_H_
+#ifndef MOJO_EDK_EMBEDDER_CONFIGURATION_H_
+#define MOJO_EDK_EMBEDDER_CONFIGURATION_H_
 
 #include <stddef.h>
 
 namespace mojo {
-namespace embedder {
+namespace edk {
 
 // A set of constants that the Mojo system internally uses. These values should
 // be consistent across all processes on the same system.
 //
 // In general, there should be no need to change these values from their
 // defaults. However, if you do change them, you must do so before
 // initialization.
 struct Configuration {
   // Maximum number of open (Mojo) handles. The default is 1,000,000.
   //
@@ skipping 33 matching lines @@
 
   // Maximum size of a single shared memory segment, in bytes. The default is
   // 1GB.
   //
   // TODO(vtl): Set this hard limit appropriately (e.g., higher on 64-bit).
   // (This will also entail some auditing to make sure I'm not messing up my
   // checks anywhere.)
   size_t max_shared_memory_num_bytes;
 };
 
-}  // namespace embedder
+}  // namespace edk
 }  // namespace mojo
 
-#endif  // THIRD_PARTY_MOJO_SRC_MOJO_EDK_EMBEDDER_CONFIGURATION_H_
+#endif  // MOJO_EDK_EMBEDDER_CONFIGURATION_H_