EDK: Move {platform_handle,scoped_platform_handle}.* to //mojo/edk/platform.

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 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/platform/scoped_platform_handle.h"
 #include "mojo/edk/util/ref_ptr.h"
 #include "mojo/public/c/system/types.h"
 #include "mojo/public/cpp/system/macros.h"
 
 namespace mojo {
 namespace embedder {
 
 class PlatformSharedBuffer;
 
 // This class is provided by the embedder to implement (typically
@@ skipping 19 matching lines @@
   // if there were only a single |PlatformSupport|).
   virtual MojoTimeTicks GetTimeTicksNow() = 0;
 
   // Gets cryptographically-secure (pseudo)random bytes.
   virtual void GetCryptoRandomBytes(void* bytes, size_t num_bytes) = 0;
 
   virtual util::RefPtr<PlatformSharedBuffer> CreateSharedBuffer(
       size_t num_bytes) = 0;
   virtual util::RefPtr<PlatformSharedBuffer> CreateSharedBufferFromHandle(
       size_t num_bytes,
-      ScopedPlatformHandle platform_handle) = 0;
+      platform::ScopedPlatformHandle platform_handle) = 0;
 
  protected:
   PlatformSupport() {}
 
  private:
   MOJO_DISALLOW_COPY_AND_ASSIGN(PlatformSupport);
 };
 
 }  // namespace embedder
 }  // namespace mojo
 
 #endif  // MOJO_EDK_EMBEDDER_PLATFORM_SUPPORT_H_