EDK: Remove MOJO_SYSTEM_IMPL_EXPORT, system_impl_export.h, etc.

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/system/system_impl_export.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
 // platform-dependent) things needed by the Mojo system implementation.
 // Implementations must be thread-safe.
-class MOJO_SYSTEM_IMPL_EXPORT PlatformSupport {
+class PlatformSupport {
  public:
   virtual ~PlatformSupport() {}
 
   // Gets a "time-ticks" value:
   //   - The value should be nondecreasing with respect to time/causality.
   //   - The value should be in microseconds (i.e., if a caller runs
   //     continuously, getting the value twice, their difference should be
   //     approximately the real time elapsed between the samples, in
   //     microseconds).
   //   - The value should be nonnegative.
@@ skipping 18 matching lines @@
   PlatformSupport() {}
 
  private:
   MOJO_DISALLOW_COPY_AND_ASSIGN(PlatformSupport);
 };
 
 }  // namespace embedder
 }  // namespace mojo
 
 #endif  // MOJO_EDK_EMBEDDER_PLATFORM_SUPPORT_H_