Implement MojoGetBufferInformation(), part 3.

mojo/public/platform/native/system_thunks.c

 // Copyright 2013 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.
 
 #include "mojo/public/platform/native/system_thunks.h"
 
 #include <assert.h>
 
 #include "mojo/public/platform/native/thunk_export.h"
 
@@ skipping 125 matching lines @@
 
 MojoResult MojoDuplicateBufferHandle(
     MojoHandle buffer_handle,
     const struct MojoDuplicateBufferHandleOptions* options,
     MojoHandle* new_buffer_handle) {
   assert(g_thunks.DuplicateBufferHandle);
   return g_thunks.DuplicateBufferHandle(buffer_handle, options,
                                         new_buffer_handle);
 }
 
+MojoResult MojoGetBufferInformation(MojoHandle buffer_handle,
+                                    struct MojoBufferInformation* info,
+                                    uint32_t info_num_bytes) {
+  assert(g_thunks.GetBufferInformation);
+  return g_thunks.GetBufferInformation(buffer_handle, info, info_num_bytes);
+}
+
 MojoResult MojoMapBuffer(MojoHandle buffer_handle,
                          uint64_t offset,
                          uint64_t num_bytes,
                          void** buffer,
                          MojoMapBufferFlags flags) {
   assert(g_thunks.MapBuffer);
   return g_thunks.MapBuffer(buffer_handle, offset, num_bytes, buffer, flags);
 }
 
 MojoResult MojoUnmapBuffer(void* buffer) {
   assert(g_thunks.UnmapBuffer);
   return g_thunks.UnmapBuffer(buffer);
 }
 
 THUNK_EXPORT size_t
 MojoSetSystemThunks(const struct MojoSystemThunks* system_thunks) {
   if (system_thunks->size >= sizeof(g_thunks))
     g_thunks = *system_thunks;
   return sizeof(g_thunks);
 }