NOT TO COMMITTED: Update mojo sdk to rev 0018e6a91b75bcb941c867f8a7aa1753c3b53a13

third_party/mojo/src/mojo/public/go/bindings/encoder.go

 // Copyright 2015 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.
 
 package bindings
 
 import (
         "encoding/binary"
         "fmt"
         "math"
@@ skipping 287 matching lines @@
         for _, b := range bytes {
                 if err := e.WriteUint8(b); err != nil {
                         return err
                 }
         }
         return e.Finish()
 }
 
 // WritePointer writes a pointer to first unclaimed byte index.
 func (e *Encoder) WritePointer() error {
+        e.state().alignOffsetToBytes()
+        e.state().offset = align(e.state().offset, 8)
         return e.WriteUint64(uint64(e.end - e.state().offset))
 }
 
 // WriteInvalidHandle an invalid handle.
 func (e *Encoder) WriteInvalidHandle() error {
         return e.WriteInt32(-1)
 }
 
 // WriteHandle writes a handle and invalidates the passed handle object.
 func (e *Encoder) WriteHandle(handle system.Handle) error {
         if !handle.IsValid() {
                 return fmt.Errorf("can't write an invalid handle")
         }
         UntypedHandle := handle.ToUntypedHandle()
         e.handles = append(e.handles, UntypedHandle)
         return e.WriteUint32(uint32(len(e.handles) - 1))
 }