Move mojo edk into mojo/edk

mojo/embedder/simple_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 MOJO_EMBEDDER_SIMPLE_PLATFORM_SUPPORT_H_
-#define MOJO_EMBEDDER_SIMPLE_PLATFORM_SUPPORT_H_
-
-#include "base/macros.h"
-#include "mojo/embedder/platform_support.h"
-#include "mojo/system/system_impl_export.h"
-
-namespace mojo {
-namespace embedder {
-
-// A simple implementation of |PlatformSupport|, when sandboxing and
-// multiprocess support are not issues (e.g., in most tests). Note: This class
-// has no state, and different instances of |SimplePlatformSupport| are mutually
-// compatible (i.e., you don't need to use a single instance of it everywhere --
-// you may simply create one whenever/wherever you need it).
-class MOJO_SYSTEM_IMPL_EXPORT SimplePlatformSupport : public PlatformSupport {
- public:
-  SimplePlatformSupport() {}
-  virtual ~SimplePlatformSupport() {}
-
-  virtual PlatformSharedBuffer* CreateSharedBuffer(size_t num_bytes) override;
-  virtual PlatformSharedBuffer* CreateSharedBufferFromHandle(
-      size_t num_bytes,
-      ScopedPlatformHandle platform_handle) override;
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(SimplePlatformSupport);
-};
-
-}  // namespace embedder
-}  // namespace mojo
-
-#endif  // MOJO_EMBEDDER_SIMPLE_PLATFORM_SUPPORT_H_