Revert "Move mojo edk into mojo/edk"

mojo/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 MOJO_EDK_EMBEDDER_PLATFORM_SUPPORT_H_
-#define MOJO_EDK_EMBEDDER_PLATFORM_SUPPORT_H_
+#ifndef MOJO_EMBEDDER_PLATFORM_SUPPORT_H_
+#define MOJO_EMBEDDER_PLATFORM_SUPPORT_H_
 
 #include <stddef.h>
 
 #include "base/macros.h"
-#include "mojo/edk/embedder/scoped_platform_handle.h"
-#include "mojo/edk/system/system_impl_export.h"
+#include "mojo/embedder/scoped_platform_handle.h"
+#include "mojo/system/system_impl_export.h"
 
 namespace mojo {
 namespace embedder {
 
 class PlatformSharedBuffer;
 
 // This class is provided by the embedder to implement (typically
 // platform-dependent) things needed by the Mojo system implementation.
 class MOJO_SYSTEM_IMPL_EXPORT PlatformSupport {
  public:
   virtual ~PlatformSupport() {}
 
   virtual PlatformSharedBuffer* CreateSharedBuffer(size_t num_bytes) = 0;
   virtual PlatformSharedBuffer* CreateSharedBufferFromHandle(
       size_t num_bytes,
       ScopedPlatformHandle platform_handle) = 0;
 
  protected:
   PlatformSupport() {}
 
  private:
   DISALLOW_COPY_AND_ASSIGN(PlatformSupport);
 };
 
 }  // namespace embedder
 }  // namespace mojo
 
-#endif  // MOJO_EDK_EMBEDDER_PLATFORM_SUPPORT_H_
+#endif  // MOJO_EMBEDDER_PLATFORM_SUPPORT_H_