EDK: Remove MOJO_SYSTEM_IMPL_EXPORT, system_impl_export.h, etc.

mojo/edk/embedder/simple_platform_shared_buffer.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_SIMPLE_PLATFORM_SHARED_BUFFER_H_
 #define MOJO_EDK_EMBEDDER_SIMPLE_PLATFORM_SHARED_BUFFER_H_
 
 #include <stddef.h>
 
 #include "mojo/edk/embedder/platform_shared_buffer.h"
-#include "mojo/edk/system/system_impl_export.h"
 #include "mojo/public/cpp/system/macros.h"
 
 namespace mojo {
 namespace embedder {
 
 // A simple implementation of |PlatformSharedBuffer|.
-class MOJO_SYSTEM_IMPL_EXPORT SimplePlatformSharedBuffer final
-    : public PlatformSharedBuffer {
+class SimplePlatformSharedBuffer final : public PlatformSharedBuffer {
  public:
   // Creates a shared buffer of size |num_bytes| bytes (initially zero-filled).
   // |num_bytes| must be nonzero. Returns null on failure.
   static SimplePlatformSharedBuffer* Create(size_t num_bytes);
 
   static SimplePlatformSharedBuffer* CreateFromPlatformHandle(
       size_t num_bytes,
       ScopedPlatformHandle platform_handle);
 
   // |PlatformSharedBuffer| implementation:
@@ skipping 30 matching lines @@
   // This is set in |Init()|/|InitFromPlatformHandle()| and never modified
   // (except by |PassPlatformHandle()|; see the comments above its declaration),
   // hence does not need to be protected by a lock.
   ScopedPlatformHandle handle_;
 
   MOJO_DISALLOW_COPY_AND_ASSIGN(SimplePlatformSharedBuffer);
 };
 
 // An implementation of |PlatformSharedBufferMapping|, produced by
 // |SimplePlatformSharedBuffer|.
-class MOJO_SYSTEM_IMPL_EXPORT SimplePlatformSharedBufferMapping
+class SimplePlatformSharedBufferMapping final
     : public PlatformSharedBufferMapping {
  public:
   ~SimplePlatformSharedBufferMapping() override;
 
   void* GetBase() const override;
   size_t GetLength() const override;
 
  private:
   friend class SimplePlatformSharedBuffer;
 
@@ skipping 13 matching lines @@
   void* const real_base_;
   const size_t real_length_;
 
   MOJO_DISALLOW_COPY_AND_ASSIGN(SimplePlatformSharedBufferMapping);
 };
 
 }  // namespace embedder
 }  // namespace mojo
 
 #endif  // MOJO_EDK_EMBEDDER_SIMPLE_PLATFORM_SHARED_BUFFER_H_