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

mojo/edk/embedder/platform_support.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_PLATFORM_SUPPORT_H_
-#define THIRD_PARTY_MOJO_SRC_MOJO_EDK_EMBEDDER_PLATFORM_SUPPORT_H_
+#ifndef MOJO_EDK_EMBEDDER_PLATFORM_SUPPORT_H_
+#define MOJO_EDK_EMBEDDER_PLATFORM_SUPPORT_H_
 
 #include <stddef.h>
 
+#include "mojo/edk/embedder/scoped_platform_handle.h"
+#include "mojo/edk/system/system_impl_export.h"
 #include "mojo/public/cpp/system/macros.h"
-#include "third_party/mojo/src/mojo/edk/embedder/scoped_platform_handle.h"
-#include "third_party/mojo/src/mojo/edk/system/system_impl_export.h"
 
 namespace mojo {
-namespace embedder {
+namespace edk {
 
 class PlatformSharedBuffer;
 
 // This class is provided by the embedder to implement (typically
 // platform-dependent) things needed by the Mojo system implementation.
 // Implementations must be thread-safe.
 class MOJO_SYSTEM_IMPL_EXPORT PlatformSupport {
  public:
   virtual ~PlatformSupport() {}
 
   virtual void GetCryptoRandomBytes(void* bytes, size_t num_bytes) = 0;
 
   virtual PlatformSharedBuffer* CreateSharedBuffer(size_t num_bytes) = 0;
   virtual PlatformSharedBuffer* CreateSharedBufferFromHandle(
       size_t num_bytes,
       ScopedPlatformHandle platform_handle) = 0;
 
  protected:
   PlatformSupport() {}
 
  private:
   MOJO_DISALLOW_COPY_AND_ASSIGN(PlatformSupport);
 };
 
-}  // namespace embedder
+}  // namespace edk
 }  // namespace mojo
 
-#endif  // THIRD_PARTY_MOJO_SRC_MOJO_EDK_EMBEDDER_PLATFORM_SUPPORT_H_
+#endif  // MOJO_EDK_EMBEDDER_PLATFORM_SUPPORT_H_