Allow data pipe producer/consumer handles to be transferred during two-phase operations.

mojo/public/c/system/handle.h

 // Copyright 2016 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 Mojo system handle-related declarations/definitions.
 //
 // Note: This header should be compilable as C.
 
 #ifndef MOJO_PUBLIC_C_SYSTEM_HANDLE_H_
 #define MOJO_PUBLIC_C_SYSTEM_HANDLE_H_
@@ skipping 117 matching lines @@
 MojoResult MojoGetRights(MojoHandle handle, MojoHandleRights* rights);  // Out.
 
 // |MojoReplaceHandleWithReducedRights()|: Replaces |handle| with an equivalent
 // one with reduced rights.
 //
 // On success, |*replacement_handle| will be a handle that is equivalent to
 // |handle| (before the call), but with:
 //
 //   replacement handle rights = current rights & ~rights_to_remove.
 //
-// |handle| will be invalidated, and any ongoing two-phase operations (e.g., for
+// |handle| will be invalidated and any ongoing two-phase operations (e.g., for
 // data pipes) on |handle| will be aborted.
 //
 // On failure, |handle| will remain valid and unchanged (with any ongoing
 // two-phase operations undisturbed) and |*replacement_handle| will not be set.
 //
 // Note that it is not an error to "remove" rights that the handle does not
 // (currently) possess.
 //
 // Returns:
 //   |MOJO_RESULT_OK| on success.
@@ skipping 47 matching lines @@
 //       been reached.
 //   |MOJO_RESULT_BUSY| if |handle| is currently in use in some transaction
 //       (that, e.g., may result in it being invalidated, such as being sent in
 //       a message).
 MojoResult MojoDuplicateHandle(MojoHandle handle,
                                MojoHandle* new_handle);  // Out.
 
 MOJO_END_EXTERN_C
 
 #endif  // MOJO_PUBLIC_C_SYSTEM_HANDLE_H_