[NaCl SDK] nacl_io: Run clang-format over nacl_io sources.

native_client_sdk/src/libraries/nacl_io/pipe/pipe_event_emitter.cc

 // 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 "nacl_io/pipe/pipe_event_emitter.h"
 
 #include <algorithm>
 
 namespace nacl_io {
 
 PipeEventEmitter::PipeEventEmitter(size_t size)
     : fifo_(std::max<size_t>(1, size)) {
   UpdateStatus_Locked();
 }
 
 Error PipeEventEmitter::Read_Locked(char* data, size_t len, int* out_bytes) {
   *out_bytes = fifo_.Read(data, len);
 
   UpdateStatus_Locked();
   return 0;
 }
 
-Error PipeEventEmitter::Write_Locked(const char* data, size_t len,
+Error PipeEventEmitter::Write_Locked(const char* data,
+                                     size_t len,
                                      int* out_bytes) {
   *out_bytes = fifo_.Write(data, len);
 
   UpdateStatus_Locked();
   return 0;
 }
 
 }  // namespace nacl_io