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

native_client_sdk/src/libraries/nacl_io/event_emitter.h

 /* Copyright (c) 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.
  */
 #ifndef LIBRARIES_NACL_IO_EVENT_EMITTER_H_
 #define LIBRARIES_NACL_IO_EVENT_EMITTER_H_
 
 #include <stdint.h>
 
 #include <map>
 #include <set>
 
 #include "nacl_io/error.h"
 
 #include "sdk_util/auto_lock.h"
 #include "sdk_util/macros.h"
 #include "sdk_util/ref_object.h"
 #include "sdk_util/scoped_ref.h"
 #include "sdk_util/simple_lock.h"
 
 namespace nacl_io {
 
 class EventEmitter;
 class EventListener;
 
-
 typedef sdk_util::ScopedRef<EventEmitter> ScopedEventEmitter;
 typedef std::map<EventListener*, uint32_t> EventListenerMap_t;
 
 bool operator<(const ScopedEventEmitter& src_a,
                const ScopedEventEmitter& src_b);
 
 // EventEmitter
 //
 // The EventEmitter class provides notification of events to EventListeners
 // by registering EventInfo objects and signaling the EventListener
@@ skipping 34 matching lines @@
 
  private:
   uint32_t event_status_;
   sdk_util::SimpleLock emitter_lock_;
   EventListenerMap_t listeners_;
   DISALLOW_COPY_AND_ASSIGN(EventEmitter);
 };
 
 }  // namespace nacl_io
 
-
 #endif  // LIBRARIES_NACL_IO_EVENT_EMITTER_H_