Turn //mojo/public/cpp/bindings and //mojo/public/cpp/system into components

mojo/public/cpp/bindings/lib/native_struct_data.h

Index: mojo/public/cpp/bindings/lib/native_struct_data.h
diff --git a/mojo/public/cpp/bindings/lib/native_struct_data.h b/mojo/public/cpp/bindings/lib/native_struct_data.h
index 5c5877456bc6849a34bc3c0daac2c79d1d5591e3..e4f3aaf028faa5b318021bf7591968dfa1a1624f 100644
--- a/mojo/public/cpp/bindings/lib/native_struct_data.h
+++ b/mojo/public/cpp/bindings/lib/native_struct_data.h
@@ -7,6 +7,7 @@
 
 #include <vector>
 
+#include "mojo/public/cpp/bindings/bindings_export.h"
 #include "mojo/public/cpp/bindings/lib/array_internal.h"
 #include "mojo/public/cpp/system/handle.h"
 
@@ -16,7 +17,7 @@ namespace internal {
 class Buffer;
 class ValidationContext;
 
-class NativeStruct_Data {
+class MOJO_CPP_BINDINGS_EXPORT NativeStruct_Data {
  public:
   static bool Validate(const void* data, ValidationContext* validation_context);