Get rid of system_export.h, etc.

mojo/public/c/system/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.
 
 // This file contains types/constants and functions specific to buffers (and in
 // particular shared buffers).
 // TODO(vtl): Reorganize this file (etc.) to separate general buffer functions
 // from (shared) buffer creation.
 //
 // Note: This header should be compilable as C.
 
 #ifndef MOJO_PUBLIC_C_SYSTEM_BUFFER_H_
 #define MOJO_PUBLIC_C_SYSTEM_BUFFER_H_
 
 #include "mojo/public/c/system/macros.h"
-#include "mojo/public/c/system/system_export.h"
 #include "mojo/public/c/system/types.h"
 
 // |MojoCreateSharedBufferOptions|: Used to specify creation parameters for a
 // shared buffer to |MojoCreateSharedBuffer()|.
 //   |uint32_t struct_size|: Set to the size of the
 //       |MojoCreateSharedBufferOptions| struct. (Used to allow for future
 //       extensions.)
 //   |MojoCreateSharedBufferOptionsFlags flags|: Reserved for future use.
 //       |MOJO_CREATE_SHARED_BUFFER_OPTIONS_FLAG_NONE|: No flags; default mode.
 //
@@ skipping 80 matching lines @@
 // undefined behavior.
 //
 // Returns:
 //   |MOJO_RESULT_OK| on success.
 //   |MOJO_RESULT_INVALID_ARGUMENT| if some argument was invalid (e.g.,
 //       |*options| is invalid).
 //   |MOJO_RESULT_RESOURCE_EXHAUSTED| if a process/system/quota/etc. limit has
 //       been reached (e.g., if the requested size was too large, or if the
 //       maximum number of handles was exceeded).
 //   |MOJO_RESULT_UNIMPLEMENTED| if an unsupported flag was set in |*options|.
-MOJO_SYSTEM_EXPORT MojoResult MojoCreateSharedBuffer(
+MojoResult MojoCreateSharedBuffer(
     const struct MojoCreateSharedBufferOptions* options,  // Optional.
     uint64_t num_bytes,                                   // In.
     MojoHandle* shared_buffer_handle);                    // Out.
 
 // Duplicates the handle |buffer_handle| to a buffer. This creates another
 // handle (returned in |*new_buffer_handle| on success), which can then be sent
 // to another application over a message pipe, while retaining access to the
 // |buffer_handle| (and any mappings that it may have).
 //
 // |options| may be set to null to duplicate the buffer handle with the default
 // options.
 //
 // On success, |*shared_buffer_handle| will be set to the handle for the new
 // buffer handle. (On failure, it is not modified.)
 //
 // Returns:
 //   |MOJO_RESULT_OK| on success.
 //   |MOJO_RESULT_INVALID_ARGUMENT| if some argument was invalid (e.g.,
 //       |buffer_handle| is not a valid buffer handle or |*options| is invalid).
 //   |MOJO_RESULT_UNIMPLEMENTED| if an unsupported flag was set in |*options|.
-MOJO_SYSTEM_EXPORT MojoResult MojoDuplicateBufferHandle(
+MojoResult MojoDuplicateBufferHandle(
     MojoHandle buffer_handle,
     const struct MojoDuplicateBufferHandleOptions* options,  // Optional.
     MojoHandle* new_buffer_handle);                          // Out.
 
 // Maps the part (at offset |offset| of length |num_bytes|) of the buffer given
 // by |buffer_handle| into memory, with options specified by |flags|. |offset +
 // num_bytes| must be less than or equal to the size of the buffer. On success,
 // |*buffer| points to memory with the requested part of the buffer. (On
 // failure, it is not modified.)
 //
 // A single buffer handle may have multiple active mappings (possibly depending
 // on the buffer type). The permissions (e.g., writable or executable) of the
 // returned memory may depend on the properties of the buffer and properties
 // attached to the buffer handle as well as |flags|.
 //
 // Note: Though data outside the specified range may apparently be
 // available/visible/readable/writable, trying to use those extra bytes is
 // undefined behavior.
 //
 // Returns:
 //   |MOJO_RESULT_OK| on success.
 //   |MOJO_RESULT_INVALID_ARGUMENT| if some argument was invalid (e.g.,
 //       |buffer_handle| is not a valid buffer handle or the range specified by
 //       |offset| and |num_bytes| is not valid).
 //   |MOJO_RESULT_RESOURCE_EXHAUSTED| if the mapping operation itself failed
 //       (e.g., due to not having appropriate address space available).
-MOJO_SYSTEM_EXPORT MojoResult MojoMapBuffer(MojoHandle buffer_handle,
-                                            uint64_t offset,
-                                            uint64_t num_bytes,
-                                            void** buffer,  // Out.
-                                            MojoMapBufferFlags flags);
+MojoResult MojoMapBuffer(MojoHandle buffer_handle,
+                         uint64_t offset,
+                         uint64_t num_bytes,
+                         void** buffer,  // Out.
+                         MojoMapBufferFlags flags);
 
 // Unmaps a buffer pointer that was mapped by |MojoMapBuffer()|. |buffer| must
 // have been the result of |MojoMapBuffer()| (not some other pointer inside
 // the mapped memory), and the entire mapping will be removed (partial unmapping
 // is not supported). A mapping may only be unmapped once.
 //
 // Returns:
 //   |MOJO_RESULT_OK| on success.
 //   |MOJO_RESULT_INVALID_ARGUMENT| if |buffer| is invalid (e.g., is not the
 //       result of |MojoMapBuffer()| or has already been unmapped).
-MOJO_SYSTEM_EXPORT MojoResult MojoUnmapBuffer(void* buffer);  // In.
+MojoResult MojoUnmapBuffer(void* buffer);  // In.
 
 #ifdef __cplusplus
 }  // extern "C"
 #endif
 
 #endif  // MOJO_PUBLIC_C_SYSTEM_BUFFER_H_